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PA->PAC: Make extent.c forget about PA.

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This commit is contained in:
David Goldblatt 2020-06-01 18:49:42 -07:00 committed by David Goldblatt
parent dee5d1c42d
commit 72435b0aba
5 changed files with 211 additions and 217 deletions
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20
include/jemalloc/internal/extent.h
View File

@ -19,22 +19,22 @@
#define LG_EXTENT_MAX_ACTIVE_FIT_DEFAULT 6
extern size_t opt_lg_extent_max_active_fit;
edata_t *ecache_alloc(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *ecache_alloc(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment, bool zero);
edata_t *ecache_alloc_grow(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *ecache_alloc_grow(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment, bool zero);
void ecache_dalloc(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
void ecache_dalloc(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata);
edata_t *ecache_evict(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *ecache_evict(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, size_t npages_min);
edata_t *extent_alloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *extent_alloc_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
void *new_addr, size_t size, size_t alignment, bool zero, bool *commit);
void extent_dalloc_gap(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
void extent_dalloc_gap(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata);
void extent_dalloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
void extent_dalloc_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata);
void extent_destroy_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
void extent_destroy_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata);
bool extent_commit_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
size_t offset, size_t length);
@ -44,9 +44,9 @@ bool extent_purge_lazy_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
size_t offset, size_t length);
bool extent_purge_forced_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
size_t offset, size_t length);
edata_t *extent_split_wrapper(tsdn_t *tsdn, pa_shard_t *shard,
edata_t *extent_split_wrapper(tsdn_t *tsdn, pac_t *pac,
ehooks_t *ehooks, edata_t *edata, size_t size_a, size_t size_b);
bool extent_merge_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
bool extent_merge_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *a, edata_t *b);
size_t extent_sn_next(pac_t *pac);
bool extent_boot(void);

6
include/jemalloc/internal/pa.h
View File

@ -100,12 +100,6 @@ pa_shard_dont_decay_muzzy(pa_shard_t *shard) {
pac_muzzy_decay_ms_get(&shard->pac) <= 0;
}
static inline bool
pa_shard_may_force_decay(pa_shard_t *shard) {
return !(pac_dirty_decay_ms_get(&shard->pac) == -1
|| pac_muzzy_decay_ms_get(&shard->pac) == -1);
}
static inline ehooks_t *
pa_shard_ehooks_get(pa_shard_t *shard) {
return base_ehooks_get(shard->base);

366
src/extent.c
View File

@ -19,10 +19,9 @@ static bool extent_purge_lazy_impl(tsdn_t *tsdn, ehooks_t *ehooks,
edata_t *edata, size_t offset, size_t length, bool growing_retained);
static bool extent_purge_forced_impl(tsdn_t *tsdn, ehooks_t *ehooks,
edata_t *edata, size_t offset, size_t length, bool growing_retained);
static edata_t *extent_split_impl(tsdn_t *tsdn, pa_shard_t *shard,
ehooks_t *ehooks, edata_t *edata, size_t size_a, size_t size_b,
bool growing_retained);
static bool extent_merge_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
static edata_t *extent_split_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata, size_t size_a, size_t size_b, bool growing_retained);
static bool extent_merge_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *a, edata_t *b, bool growing_retained);
/* Used exclusively for gdump triggering. */
@ -35,16 +34,15 @@ static atomic_zu_t highpages;
* definition.
*/
static void extent_deregister(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata);
static edata_t *extent_recycle(tsdn_t *tsdn, pa_shard_t *shard,
ehooks_t *ehooks, ecache_t *ecache, void *new_addr, size_t usize,
size_t alignment, bool zero, bool *commit, bool growing_retained);
static edata_t *extent_try_coalesce(tsdn_t *tsdn, pa_shard_t *shard,
ehooks_t *ehooks, ecache_t *ecache, edata_t *edata, bool *coalesced,
bool growing_retained);
static void extent_record(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
static void extent_deregister(tsdn_t *tsdn, pac_t *pac, edata_t *edata);
static edata_t *extent_recycle(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t usize, size_t alignment, bool zero,
bool *commit, bool growing_retained);
static edata_t *extent_try_coalesce(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool *coalesced, bool growing_retained);
static void extent_record(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool growing_retained);
static edata_t *extent_alloc_retained(tsdn_t *tsdn, pa_shard_t *shard,
static edata_t *extent_alloc_retained(tsdn_t *tsdn, pac_t *pac,
ehooks_t *ehooks, void *new_addr, size_t size, size_t alignment, bool zero,
bool *commit);
@ -55,12 +53,18 @@ extent_sn_next(pac_t *pac) {
return atomic_fetch_add_zu(&pac->extent_sn_next, 1, ATOMIC_RELAXED);
}
static inline bool
extent_may_force_decay(pac_t *pac) {
return !(pac_dirty_decay_ms_get(pac) == -1
|| pac_muzzy_decay_ms_get(pac) == -1);
}
static bool
extent_try_delayed_coalesce(tsdn_t *tsdn, pa_shard_t *shard,
ehooks_t *ehooks, ecache_t *ecache, edata_t *edata) {
extent_try_delayed_coalesce(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata) {
edata_state_set(edata, extent_state_active);
bool coalesced;
edata = extent_try_coalesce(tsdn, shard, ehooks, ecache,
edata = extent_try_coalesce(tsdn, pac, ehooks, ecache,
edata, &coalesced, false);
edata_state_set(edata, ecache->state);
@ -72,32 +76,30 @@ extent_try_delayed_coalesce(tsdn_t *tsdn, pa_shard_t *shard,
}
edata_t *
ecache_alloc(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment,
bool zero) {
ecache_alloc(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
void *new_addr, size_t size, size_t alignment, bool zero) {
assert(size != 0);
assert(alignment != 0);
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, 0);
bool commit = true;
edata_t *edata = extent_recycle(tsdn, shard, ehooks, ecache,
new_addr, size, alignment, zero, &commit, false);
edata_t *edata = extent_recycle(tsdn, pac, ehooks, ecache, new_addr,
size, alignment, zero, &commit, false);
assert(edata == NULL || !edata_ranged_get(edata));
return edata;
}
edata_t *
ecache_alloc_grow(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment,
bool zero) {
ecache_alloc_grow(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
void *new_addr, size_t size, size_t alignment, bool zero) {
assert(size != 0);
assert(alignment != 0);
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, 0);
bool commit = true;
edata_t *edata = extent_alloc_retained(tsdn, shard, ehooks, new_addr,
edata_t *edata = extent_alloc_retained(tsdn, pac, ehooks, new_addr,
size, alignment, zero, &commit);
if (edata == NULL) {
if (opt_retain && new_addr != NULL) {
@ -109,7 +111,7 @@ ecache_alloc_grow(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
*/
return NULL;
}
edata = extent_alloc_wrapper(tsdn, shard, ehooks, new_addr,
edata = extent_alloc_wrapper(tsdn, pac, ehooks, new_addr,
size, alignment, zero, &commit);
}
@ -118,8 +120,8 @@ ecache_alloc_grow(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
void
ecache_dalloc(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata) {
ecache_dalloc(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
edata_t *edata) {
assert(edata_base_get(edata) != NULL);
assert(edata_size_get(edata) != 0);
assert(!edata_ranged_get(edata));
@ -129,11 +131,11 @@ ecache_dalloc(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_addr_set(edata, edata_base_get(edata));
edata_zeroed_set(edata, false);
extent_record(tsdn, shard, ehooks, ecache, edata, false);
extent_record(tsdn, pac, ehooks, ecache, edata, false);
}
edata_t *
ecache_evict(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_evict(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, size_t npages_min) {
malloc_mutex_lock(tsdn, &ecache->mtx);
@ -159,7 +161,7 @@ ecache_evict(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
break;
}
/* Try to coalesce. */
if (extent_try_delayed_coalesce(tsdn, shard, ehooks, ecache,
if (extent_try_delayed_coalesce(tsdn, pac, ehooks, ecache,
edata)) {
break;
}
@ -181,7 +183,7 @@ ecache_evict(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_state_set(edata, extent_state_active);
break;
case extent_state_retained:
extent_deregister(tsdn, shard, edata);
extent_deregister(tsdn, pac, edata);
break;
default:
not_reached();
@ -197,11 +199,11 @@ label_return:
* indicates OOM), e.g. when trying to split an existing extent.
*/
static void
extents_abandon_vm(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool growing_retained) {
extents_abandon_vm(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
edata_t *edata, bool growing_retained) {
size_t sz = edata_size_get(edata);
if (config_stats) {
atomic_fetch_add_zu(&shard->pac.stats->abandoned_vm, sz,
atomic_fetch_add_zu(&pac->stats->abandoned_vm, sz,
ATOMIC_RELAXED);
}
/*
@ -215,7 +217,7 @@ extents_abandon_vm(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_size_get(edata), growing_retained);
}
}
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
edata_cache_put(tsdn, pac->edata_cache, edata);
}
static void
@ -281,21 +283,20 @@ extent_gdump_sub(tsdn_t *tsdn, const edata_t *edata) {
}
static bool
extent_register_impl(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata,
bool gdump_add) {
extent_register_impl(tsdn_t *tsdn, pac_t *pac, edata_t *edata, bool gdump_add) {
/*
* We need to hold the lock to protect against a concurrent coalesce
* operation that sees us in a partial state.
*/
emap_lock_edata(tsdn, shard->pac.emap, edata);
emap_lock_edata(tsdn, pac->emap, edata);
if (emap_register_boundary(tsdn, shard->pac.emap, edata, SC_NSIZES,
if (emap_register_boundary(tsdn, pac->emap, edata, SC_NSIZES,
/* slab */ false)) {
emap_unlock_edata(tsdn, shard->pac.emap, edata);
emap_unlock_edata(tsdn, pac->emap, edata);
return true;
}
emap_unlock_edata(tsdn, shard->pac.emap, edata);
emap_unlock_edata(tsdn, pac->emap, edata);
if (config_prof && gdump_add) {
extent_gdump_add(tsdn, edata);
@ -305,18 +306,18 @@ extent_register_impl(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata,
}
static bool
extent_register(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata) {
return extent_register_impl(tsdn, shard, edata, true);
extent_register(tsdn_t *tsdn, pac_t *pac, edata_t *edata) {
return extent_register_impl(tsdn, pac, edata, true);
}
static bool
extent_register_no_gdump_add(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata) {
return extent_register_impl(tsdn, shard, edata, false);
extent_register_no_gdump_add(tsdn_t *tsdn, pac_t *pac, edata_t *edata) {
return extent_register_impl(tsdn, pac, edata, false);
}
static void
extent_reregister(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata) {
bool err = extent_register(tsdn, shard, edata);
extent_reregister(tsdn_t *tsdn, pac_t *pac, edata_t *edata) {
bool err = extent_register(tsdn, pac, edata);
assert(!err);
}
@ -324,11 +325,11 @@ extent_reregister(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata) {
* Removes all pointers to the given extent from the global rtree.
*/
static void
extent_deregister_impl(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata,
extent_deregister_impl(tsdn_t *tsdn, pac_t *pac, edata_t *edata,
bool gdump) {
emap_lock_edata(tsdn, shard->pac.emap, edata);
emap_deregister_boundary(tsdn, shard->pac.emap, edata);
emap_unlock_edata(tsdn, shard->pac.emap, edata);
emap_lock_edata(tsdn, pac->emap, edata);
emap_deregister_boundary(tsdn, pac->emap, edata);
emap_unlock_edata(tsdn, pac->emap, edata);
if (config_prof && gdump) {
extent_gdump_sub(tsdn, edata);
@ -336,14 +337,14 @@ extent_deregister_impl(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata,
}
static void
extent_deregister(tsdn_t *tsdn, pa_shard_t *shard, edata_t *edata) {
extent_deregister_impl(tsdn, shard, edata, true);
extent_deregister(tsdn_t *tsdn, pac_t *pac, edata_t *edata) {
extent_deregister_impl(tsdn, pac, edata, true);
}
static void
extent_deregister_no_gdump_sub(tsdn_t *tsdn, pa_shard_t *shard,
extent_deregister_no_gdump_sub(tsdn_t *tsdn, pac_t *pac,
edata_t *edata) {
extent_deregister_impl(tsdn, shard, edata, false);
extent_deregister_impl(tsdn, pac, edata, false);
}
/*
@ -351,7 +352,7 @@ extent_deregister_no_gdump_sub(tsdn_t *tsdn, pa_shard_t *shard,
* given allocation request.
*/
static edata_t *
extent_recycle_extract(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_recycle_extract(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment,
bool growing_retained) {
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
@ -376,8 +377,8 @@ extent_recycle_extract(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
malloc_mutex_lock(tsdn, &ecache->mtx);
edata_t *edata;
if (new_addr != NULL) {
edata = emap_lock_edata_from_addr(tsdn, shard->pac.emap,
new_addr, false);
edata = emap_lock_edata_from_addr(tsdn, pac->emap, new_addr,
false);
if (edata != NULL) {
/*
* We might null-out edata to report an error, but we
@ -391,7 +392,7 @@ extent_recycle_extract(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
!= ecache->state) {
edata = NULL;
}
emap_unlock_edata(tsdn, shard->pac.emap, unlock_edata);
emap_unlock_edata(tsdn, pac->emap, unlock_edata);
}
} else {
/*
@ -451,7 +452,7 @@ typedef enum {
} extent_split_interior_result_t;
static extent_split_interior_result_t
extent_split_interior(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_split_interior(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
/* The result of splitting, in case of success. */
edata_t **edata, edata_t **lead, edata_t **trail,
/* The mess to clean up, in case of error. */
@ -473,7 +474,7 @@ extent_split_interior(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
/* Split the lead. */
if (leadsize != 0) {
*lead = *edata;
*edata = extent_split_impl(tsdn, shard, ehooks, *lead, leadsize,
*edata = extent_split_impl(tsdn, pac, ehooks, *lead, leadsize,
size + trailsize, growing_retained);
if (*edata == NULL) {
*to_leak = *lead;
@ -484,7 +485,7 @@ extent_split_interior(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
/* Split the trail. */
if (trailsize != 0) {
*trail = extent_split_impl(tsdn, shard, ehooks, *edata, size,
*trail = extent_split_impl(tsdn, pac, ehooks, *edata, size,
trailsize, growing_retained);
if (*trail == NULL) {
*to_leak = *edata;
@ -505,7 +506,7 @@ extent_split_interior(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* and put back into ecache.
*/
static edata_t *
extent_recycle_split(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_recycle_split(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment,
edata_t *edata, bool growing_retained) {
edata_t *lead;
@ -514,7 +515,7 @@ extent_recycle_split(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *to_salvage JEMALLOC_CC_SILENCE_INIT(NULL);
extent_split_interior_result_t result = extent_split_interior(
tsdn, shard, ehooks, &edata, &lead, &trail, &to_leak, &to_salvage,
tsdn, pac, ehooks, &edata, &lead, &trail, &to_leak, &to_salvage,
new_addr, size, alignment, growing_retained);
if (!maps_coalesce && result != extent_split_interior_ok
@ -543,14 +544,14 @@ extent_recycle_split(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
*/
assert(result == extent_split_interior_error);
if (to_salvage != NULL) {
extent_deregister(tsdn, shard, to_salvage);
extent_deregister(tsdn, pac, to_salvage);
}
if (to_leak != NULL) {
void *leak = edata_base_get(to_leak);
extent_deregister_no_gdump_sub(tsdn, shard, to_leak);
extents_abandon_vm(tsdn, shard, ehooks, ecache, to_leak,
extent_deregister_no_gdump_sub(tsdn, pac, to_leak);
extents_abandon_vm(tsdn, pac, ehooks, ecache, to_leak,
growing_retained);
assert(emap_lock_edata_from_addr(tsdn, shard->pac.emap,
assert(emap_lock_edata_from_addr(tsdn, pac->emap,
leak, false) == NULL);
}
return NULL;
@ -563,18 +564,18 @@ extent_recycle_split(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* in the given ecache_t.
*/
static edata_t *
extent_recycle(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t alignment, bool zero,
bool *commit, bool growing_retained) {
extent_recycle(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
void *new_addr, size_t size, size_t alignment, bool zero, bool *commit,
bool growing_retained) {
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, growing_retained ? 1 : 0);
edata_t *edata = extent_recycle_extract(tsdn, shard, ehooks, ecache,
edata_t *edata = extent_recycle_extract(tsdn, pac, ehooks, ecache,
new_addr, size, alignment, growing_retained);
if (edata == NULL) {
return NULL;
}
edata = extent_recycle_split(tsdn, shard, ehooks, ecache, new_addr,
edata = extent_recycle_split(tsdn, pac, ehooks, ecache, new_addr,
size, alignment, edata, growing_retained);
if (edata == NULL) {
return NULL;
@ -583,7 +584,7 @@ extent_recycle(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
if (*commit && !edata_committed_get(edata)) {
if (extent_commit_impl(tsdn, ehooks, edata, 0,
edata_size_get(edata), growing_retained)) {
extent_record(tsdn, shard, ehooks, ecache, edata,
extent_record(tsdn, pac, ehooks, ecache, edata,
growing_retained);
return NULL;
}
@ -611,9 +612,9 @@ extent_recycle(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* virtual memory ranges retained by each shard.
*/
static edata_t *
extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_grow_retained(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
size_t size, size_t alignment, bool zero, bool *commit) {
malloc_mutex_assert_owner(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_assert_owner(tsdn, &pac->ecache_grow.mtx);
size_t alloc_size_min = size + PAGE_CEILING(alignment) - PAGE;
/* Beware size_t wrap-around. */
@ -625,19 +626,18 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* satisfy this request.
*/
pszind_t egn_skip = 0;
size_t alloc_size = sz_pind2sz(shard->pac.ecache_grow.next + egn_skip);
size_t alloc_size = sz_pind2sz(pac->ecache_grow.next + egn_skip);
while (alloc_size < alloc_size_min) {
egn_skip++;
if (shard->pac.ecache_grow.next + egn_skip >=
if (pac->ecache_grow.next + egn_skip >=
sz_psz2ind(SC_LARGE_MAXCLASS)) {
/* Outside legal range. */
goto label_err;
}
alloc_size = sz_pind2sz(
shard->pac.ecache_grow.next + egn_skip);
alloc_size = sz_pind2sz(pac->ecache_grow.next + egn_skip);
}
edata_t *edata = edata_cache_get(tsdn, shard->pac.edata_cache);
edata_t *edata = edata_cache_get(tsdn, pac->edata_cache);
if (edata == NULL) {
goto label_err;
}
@ -648,17 +648,17 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
&committed);
if (ptr == NULL) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
edata_cache_put(tsdn, pac->edata_cache, edata);
goto label_err;
}
edata_init(edata, ecache_ind_get(&shard->pac.ecache_retained), ptr,
alloc_size, false, SC_NSIZES, extent_sn_next(&shard->pac),
edata_init(edata, ecache_ind_get(&pac->ecache_retained), ptr,
alloc_size, false, SC_NSIZES, extent_sn_next(pac),
extent_state_active, zeroed, committed, /* ranged */ false,
EXTENT_IS_HEAD);
if (extent_register_no_gdump_add(tsdn, shard, edata)) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
if (extent_register_no_gdump_add(tsdn, pac, edata)) {
edata_cache_put(tsdn, pac->edata_cache, edata);
goto label_err;
}
@ -672,17 +672,17 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_t *to_salvage JEMALLOC_CC_SILENCE_INIT(NULL);
extent_split_interior_result_t result = extent_split_interior(tsdn,
shard, ehooks, &edata, &lead, &trail, &to_leak, &to_salvage, NULL,
pac, ehooks, &edata, &lead, &trail, &to_leak, &to_salvage, NULL,
size, alignment, /* growing_retained */ true);
if (result == extent_split_interior_ok) {
if (lead != NULL) {
extent_record(tsdn, shard, ehooks,
&shard->pac.ecache_retained, lead, true);
extent_record(tsdn, pac, ehooks, &pac->ecache_retained,
lead, true);
}
if (trail != NULL) {
extent_record(tsdn, shard, ehooks,
&shard->pac.ecache_retained, trail, true);
extent_record(tsdn, pac, ehooks,
&pac->ecache_retained, trail, true);
}
} else {
/*
@ -694,13 +694,13 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
if (config_prof) {
extent_gdump_add(tsdn, to_salvage);
}
extent_record(tsdn, shard, ehooks,
&shard->pac.ecache_retained, to_salvage, true);
extent_record(tsdn, pac, ehooks, &pac->ecache_retained,
to_salvage, true);
}
if (to_leak != NULL) {
extent_deregister_no_gdump_sub(tsdn, shard, to_leak);
extents_abandon_vm(tsdn, shard, ehooks,
&shard->pac.ecache_retained, to_leak, true);
extent_deregister_no_gdump_sub(tsdn, pac, to_leak);
extents_abandon_vm(tsdn, pac, ehooks,
&pac->ecache_retained, to_leak, true);
}
goto label_err;
}
@ -708,8 +708,8 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
if (*commit && !edata_committed_get(edata)) {
if (extent_commit_impl(tsdn, ehooks, edata, 0,
edata_size_get(edata), true)) {
extent_record(tsdn, shard, ehooks,
&shard->pac.ecache_retained, edata, true);
extent_record(tsdn, pac, ehooks,
&pac->ecache_retained, edata, true);
goto label_err;
}
/* A successful commit should return zeroed memory. */
@ -727,14 +727,13 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* Increment extent_grow_next if doing so wouldn't exceed the allowed
* range.
*/
if (shard->pac.ecache_grow.next + egn_skip + 1 <=
shard->pac.ecache_grow.limit) {
shard->pac.ecache_grow.next += egn_skip + 1;
if (pac->ecache_grow.next + egn_skip + 1 <= pac->ecache_grow.limit) {
pac->ecache_grow.next += egn_skip + 1;
} else {
shard->pac.ecache_grow.next = shard->pac.ecache_grow.limit;
pac->ecache_grow.next = pac->ecache_grow.limit;
}
/* All opportunities for failure are past. */
malloc_mutex_unlock(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_unlock(tsdn, &pac->ecache_grow.mtx);
if (config_prof) {
/* Adjust gdump stats now that extent is final size. */
@ -748,45 +747,45 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
return edata;
label_err:
malloc_mutex_unlock(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_unlock(tsdn, &pac->ecache_grow.mtx);
return NULL;
}
static edata_t *
extent_alloc_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_alloc_retained(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
void *new_addr, size_t size, size_t alignment, bool zero, bool *commit) {
assert(size != 0);
assert(alignment != 0);
malloc_mutex_lock(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_lock(tsdn, &pac->ecache_grow.mtx);
edata_t *edata = extent_recycle(tsdn, shard, ehooks,
&shard->pac.ecache_retained, new_addr, size, alignment, zero,
edata_t *edata = extent_recycle(tsdn, pac, ehooks,
&pac->ecache_retained, new_addr, size, alignment, zero,
commit, /* growing_retained */ true);
if (edata != NULL) {
malloc_mutex_unlock(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_unlock(tsdn, &pac->ecache_grow.mtx);
if (config_prof) {
extent_gdump_add(tsdn, edata);
}
} else if (opt_retain && new_addr == NULL) {
edata = extent_grow_retained(tsdn, shard, ehooks, size,
edata = extent_grow_retained(tsdn, pac, ehooks, size,
alignment, zero, commit);
/* extent_grow_retained() always releases extent_grow_mtx. */
} else {
malloc_mutex_unlock(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_unlock(tsdn, &pac->ecache_grow.mtx);
}
malloc_mutex_assert_not_owner(tsdn, &shard->pac.ecache_grow.mtx);
malloc_mutex_assert_not_owner(tsdn, &pac->ecache_grow.mtx);
return edata;
}
edata_t *
extent_alloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_alloc_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
void *new_addr, size_t size, size_t alignment, bool zero, bool *commit) {
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, 0);
edata_t *edata = edata_cache_get(tsdn, shard->pac.edata_cache);
edata_t *edata = edata_cache_get(tsdn, pac->edata_cache);
if (edata == NULL) {
return NULL;
}
@ -794,15 +793,15 @@ extent_alloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
void *addr = ehooks_alloc(tsdn, ehooks, new_addr, size, palignment,
&zero, commit);
if (addr == NULL) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
edata_cache_put(tsdn, pac->edata_cache, edata);
return NULL;
}
edata_init(edata, ecache_ind_get(&shard->pac.ecache_dirty), addr,
size, /* slab */ false, SC_NSIZES, extent_sn_next(&shard->pac),
edata_init(edata, ecache_ind_get(&pac->ecache_dirty), addr,
size, /* slab */ false, SC_NSIZES, extent_sn_next(pac),
extent_state_active, zero, *commit, /* ranged */ false,
EXTENT_NOT_HEAD);
if (extent_register(tsdn, shard, edata)) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
if (extent_register(tsdn, pac, edata)) {
edata_cache_put(tsdn, pac->edata_cache, edata);
return NULL;
}
@ -831,15 +830,14 @@ extent_can_coalesce(ecache_t *ecache, const edata_t *inner,
}
static bool
extent_coalesce(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ecache_t *ecache, edata_t *inner, edata_t *outer, bool forward,
bool growing_retained) {
extent_coalesce(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
edata_t *inner, edata_t *outer, bool forward, bool growing_retained) {
assert(extent_can_coalesce(ecache, inner, outer));
extent_activate_locked(tsdn, ecache, outer);
malloc_mutex_unlock(tsdn, &ecache->mtx);
bool err = extent_merge_impl(tsdn, shard, ehooks,
bool err = extent_merge_impl(tsdn, pac, ehooks,
forward ? inner : outer, forward ? outer : inner, growing_retained);
malloc_mutex_lock(tsdn, &ecache->mtx);
@ -851,7 +849,7 @@ extent_coalesce(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
static edata_t *
extent_try_coalesce_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_try_coalesce_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool *coalesced, bool growing_retained,
bool inactive_only) {
/*
@ -868,7 +866,7 @@ extent_try_coalesce_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
again = false;
/* Try to coalesce forward. */
edata_t *next = emap_lock_edata_from_addr(tsdn, shard->pac.emap,
edata_t *next = emap_lock_edata_from_addr(tsdn, pac->emap,
edata_past_get(edata), inactive_only);
if (next != NULL) {
/*
@ -879,9 +877,9 @@ extent_try_coalesce_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
bool can_coalesce = extent_can_coalesce(ecache,
edata, next);
emap_unlock_edata(tsdn, shard->pac.emap, next);
emap_unlock_edata(tsdn, pac->emap, next);
if (can_coalesce && !extent_coalesce(tsdn, shard,
if (can_coalesce && !extent_coalesce(tsdn, pac,
ehooks, ecache, edata, next, true,
growing_retained)) {
if (ecache->delay_coalesce) {
@ -894,14 +892,14 @@ extent_try_coalesce_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
/* Try to coalesce backward. */
edata_t *prev = emap_lock_edata_from_addr(tsdn, shard->pac.emap,
edata_t *prev = emap_lock_edata_from_addr(tsdn, pac->emap,
edata_before_get(edata), inactive_only);
if (prev != NULL) {
bool can_coalesce = extent_can_coalesce(ecache, edata,
prev);
emap_unlock_edata(tsdn, shard->pac.emap, prev);
emap_unlock_edata(tsdn, pac->emap, prev);
if (can_coalesce && !extent_coalesce(tsdn, shard,
if (can_coalesce && !extent_coalesce(tsdn, pac,
ehooks, ecache, edata, prev, false,
growing_retained)) {
edata = prev;
@ -922,37 +920,37 @@ extent_try_coalesce_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
static edata_t *
extent_try_coalesce(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_try_coalesce(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool *coalesced, bool growing_retained) {
return extent_try_coalesce_impl(tsdn, shard, ehooks, ecache, edata,
return extent_try_coalesce_impl(tsdn, pac, ehooks, ecache, edata,
coalesced, growing_retained, false);
}
static edata_t *
extent_try_coalesce_large(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_try_coalesce_large(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool *coalesced, bool growing_retained) {
return extent_try_coalesce_impl(tsdn, shard, ehooks, ecache, edata,
return extent_try_coalesce_impl(tsdn, pac, ehooks, ecache, edata,
coalesced, growing_retained, true);
}
/* Purge a single extent to retained / unmapped directly. */
static void
extent_maximally_purge(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_maximally_purge(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata) {
size_t extent_size = edata_size_get(edata);
extent_dalloc_wrapper(tsdn, shard, ehooks, edata);
extent_dalloc_wrapper(tsdn, pac, ehooks, edata);
if (config_stats) {
/* Update stats accordingly. */
LOCKEDINT_MTX_LOCK(tsdn, *shard->pac.stats_mtx);
LOCKEDINT_MTX_LOCK(tsdn, *pac->stats_mtx);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*shard->pac.stats_mtx),
&shard->pac.stats->decay_dirty.nmadvise, 1);
LOCKEDINT_MTX(*pac->stats_mtx),
&pac->stats->decay_dirty.nmadvise, 1);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*shard->pac.stats_mtx),
&shard->pac.stats->decay_dirty.purged,
LOCKEDINT_MTX(*pac->stats_mtx),
&pac->stats->decay_dirty.purged,
extent_size >> LG_PAGE);
LOCKEDINT_MTX_UNLOCK(tsdn, *shard->pac.stats_mtx);
atomic_fetch_sub_zu(&shard->pac.stats->pac_mapped, extent_size,
LOCKEDINT_MTX_UNLOCK(tsdn, *pac->stats_mtx);
atomic_fetch_sub_zu(&pac->stats->pac_mapped, extent_size,
ATOMIC_RELAXED);
}
}
@ -962,7 +960,7 @@ extent_maximally_purge(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* given ecache_t (coalesces and inserts into the eset).
*/
static void
extent_record(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_record(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata, bool growing_retained) {
assert((ecache->state != extent_state_dirty &&
ecache->state != extent_state_muzzy) ||
@ -970,25 +968,25 @@ extent_record(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
malloc_mutex_lock(tsdn, &ecache->mtx);
emap_assert_mapped(tsdn, shard->pac.emap, edata);
emap_assert_mapped(tsdn, pac->emap, edata);
if (!ecache->delay_coalesce) {
edata = extent_try_coalesce(tsdn, shard, ehooks, ecache, edata,
edata = extent_try_coalesce(tsdn, pac, ehooks, ecache, edata,
NULL, growing_retained);
} else if (edata_size_get(edata) >= SC_LARGE_MINCLASS) {
assert(ecache == &shard->pac.ecache_dirty);
assert(ecache == &pac->ecache_dirty);
/* Always coalesce large extents eagerly. */
bool coalesced;
do {
assert(edata_state_get(edata) == extent_state_active);
edata = extent_try_coalesce_large(tsdn, shard, ehooks,
edata = extent_try_coalesce_large(tsdn, pac, ehooks,
ecache, edata, &coalesced, growing_retained);
} while (coalesced);
if (edata_size_get(edata) >= oversize_threshold &&
pa_shard_may_force_decay(shard)) {
extent_may_force_decay(pac)) {
/* Shortcut to purge the oversize extent eagerly. */
malloc_mutex_unlock(tsdn, &ecache->mtx);
extent_maximally_purge(tsdn, shard, ehooks, edata);
extent_maximally_purge(tsdn, pac, ehooks, edata);
return;
}
}
@ -998,20 +996,20 @@ extent_record(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
void
extent_dalloc_gap(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_dalloc_gap(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata) {
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, 0);
if (extent_register(tsdn, shard, edata)) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
if (extent_register(tsdn, pac, edata)) {
edata_cache_put(tsdn, pac->edata_cache, edata);
return;
}
extent_dalloc_wrapper(tsdn, shard, ehooks, edata);
extent_dalloc_wrapper(tsdn, pac, ehooks, edata);
}
static bool
extent_dalloc_wrapper_try(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_dalloc_wrapper_try(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata) {
bool err;
@ -1027,14 +1025,14 @@ extent_dalloc_wrapper_try(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_size_get(edata), edata_committed_get(edata));
if (!err) {
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
edata_cache_put(tsdn, pac->edata_cache, edata);
}
return err;
}
void
extent_dalloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_dalloc_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata) {
assert(!edata_ranged_get(edata));
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
@ -1046,11 +1044,11 @@ extent_dalloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
* Deregister first to avoid a race with other allocating
* threads, and reregister if deallocation fails.
*/
extent_deregister(tsdn, shard, edata);
if (!extent_dalloc_wrapper_try(tsdn, shard, ehooks, edata)) {
extent_deregister(tsdn, pac, edata);
if (!extent_dalloc_wrapper_try(tsdn, pac, ehooks, edata)) {
return;
}
extent_reregister(tsdn, shard, edata);
extent_reregister(tsdn, pac, edata);
}
/* Try to decommit; purge if that fails. */
@ -1076,12 +1074,12 @@ extent_dalloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_gdump_sub(tsdn, edata);
}
extent_record(tsdn, shard, ehooks, &shard->pac.ecache_retained, edata,
extent_record(tsdn, pac, ehooks, &pac->ecache_retained, edata,
false);
}
void
extent_destroy_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_destroy_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata) {
assert(edata_base_get(edata) != NULL);
assert(edata_size_get(edata) != 0);
@ -1089,7 +1087,7 @@ extent_destroy_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
WITNESS_RANK_CORE, 0);
/* Deregister first to avoid a race with other allocating threads. */
extent_deregister(tsdn, shard, edata);
extent_deregister(tsdn, pac, edata);
edata_addr_set(edata, edata_base_get(edata));
@ -1097,7 +1095,7 @@ extent_destroy_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
ehooks_destroy(tsdn, ehooks, edata_base_get(edata),
edata_size_get(edata), edata_committed_get(edata));
edata_cache_put(tsdn, shard->pac.edata_cache, edata);
edata_cache_put(tsdn, pac->edata_cache, edata);
}
static bool
@ -1171,7 +1169,7 @@ extent_purge_forced_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
* and returns the trail (except in case of error).
*/
static edata_t *
extent_split_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_split_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *edata, size_t size_a, size_t size_b, bool growing_retained) {
assert(edata_size_get(edata) == size_a + size_b);
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
@ -1181,7 +1179,7 @@ extent_split_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
return NULL;
}
edata_t *trail = edata_cache_get(tsdn, shard->pac.edata_cache);
edata_t *trail = edata_cache_get(tsdn, pac->edata_cache);
if (trail == NULL) {
goto label_error_a;
}
@ -1193,13 +1191,13 @@ extent_split_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_committed_get(edata), edata_ranged_get(edata),
EXTENT_NOT_HEAD);
emap_prepare_t prepare;
bool err = emap_split_prepare(tsdn, shard->pac.emap, &prepare, edata,
bool err = emap_split_prepare(tsdn, pac->emap, &prepare, edata,
size_a, trail, size_b);
if (err) {
goto label_error_b;
}
emap_lock_edata2(tsdn, shard->pac.emap, edata, trail);
emap_lock_edata2(tsdn, pac->emap, edata, trail);
err = ehooks_split(tsdn, ehooks, edata_base_get(edata), size_a + size_b,
size_a, size_b, edata_committed_get(edata));
@ -1209,29 +1207,29 @@ extent_split_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
}
edata_size_set(edata, size_a);
emap_split_commit(tsdn, shard->pac.emap, &prepare, edata, size_a, trail,
emap_split_commit(tsdn, pac->emap, &prepare, edata, size_a, trail,
size_b);
emap_unlock_edata2(tsdn, shard->pac.emap, edata, trail);
emap_unlock_edata2(tsdn, pac->emap, edata, trail);
return trail;
label_error_c:
emap_unlock_edata2(tsdn, shard->pac.emap, edata, trail);
emap_unlock_edata2(tsdn, pac->emap, edata, trail);
label_error_b:
edata_cache_put(tsdn, shard->pac.edata_cache, trail);
edata_cache_put(tsdn, pac->edata_cache, trail);
label_error_a:
return NULL;
}
edata_t *
extent_split_wrapper(tsdn_t *tsdn, pa_shard_t *shard,
ehooks_t *ehooks, edata_t *edata, size_t size_a, size_t size_b) {
return extent_split_impl(tsdn, shard, ehooks, edata, size_a, size_b,
extent_split_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, edata_t *edata,
size_t size_a, size_t size_b) {
return extent_split_impl(tsdn, pac, ehooks, edata, size_a, size_b,
/* growing_retained */ false);
}
static bool
extent_merge_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks, edata_t *a,
extent_merge_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, edata_t *a,
edata_t *b, bool growing_retained) {
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
WITNESS_RANK_CORE, growing_retained ? 1 : 0);
@ -1254,27 +1252,27 @@ extent_merge_impl(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks, edata_t *a,
* than extent_{,de}register() to do things in the right order.
*/
emap_prepare_t prepare;
emap_merge_prepare(tsdn, shard->pac.emap, &prepare, a, b);
emap_merge_prepare(tsdn, pac->emap, &prepare, a, b);
emap_lock_edata2(tsdn, shard->pac.emap, a, b);
emap_lock_edata2(tsdn, pac->emap, a, b);
edata_size_set(a, edata_size_get(a) + edata_size_get(b));
edata_sn_set(a, (edata_sn_get(a) < edata_sn_get(b)) ?
edata_sn_get(a) : edata_sn_get(b));
edata_zeroed_set(a, edata_zeroed_get(a) && edata_zeroed_get(b));
emap_merge_commit(tsdn, shard->pac.emap, &prepare, a, b);
emap_unlock_edata2(tsdn, shard->pac.emap, a, b);
emap_merge_commit(tsdn, pac->emap, &prepare, a, b);
emap_unlock_edata2(tsdn, pac->emap, a, b);
edata_cache_put(tsdn, shard->pac.edata_cache, b);
edata_cache_put(tsdn, pac->edata_cache, b);
return false;
}
bool
extent_merge_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_merge_wrapper(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
edata_t *a, edata_t *b) {
return extent_merge_impl(tsdn, shard, ehooks, a, b, false);
return extent_merge_impl(tsdn, pac, ehooks, a, b, false);
}
bool

2
src/extent_dss.c
View File

@ -189,7 +189,7 @@ extent_alloc_dss(tsdn_t *tsdn, arena_t *arena, void *new_addr, size_t size,
ehooks_t *ehooks = arena_get_ehooks(
arena);
extent_dalloc_gap(tsdn,
&arena->pa_shard, ehooks, gap);
&arena->pa_shard.pac, ehooks, gap);
} else {
edata_cache_put(tsdn,
&arena->pa_shard.edata_cache, gap);

34
src/pa.c
View File

@ -72,9 +72,9 @@ pa_shard_destroy_retained(tsdn_t *tsdn, pa_shard_t *shard) {
*/
ehooks_t *ehooks = pa_shard_ehooks_get(shard);
edata_t *edata;
while ((edata = ecache_evict(tsdn, shard, ehooks,
while ((edata = ecache_evict(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_retained, 0)) != NULL) {
extent_destroy_wrapper(tsdn, shard, ehooks, edata);
extent_destroy_wrapper(tsdn, &shard->pac, ehooks, edata);
}
}
@ -90,15 +90,15 @@ ecache_pai_alloc(tsdn_t *tsdn, pai_t *self, size_t size, size_t alignment,
(pa_shard_t *)((uintptr_t)self - offsetof(pa_shard_t, ecache_pai));
ehooks_t *ehooks = pa_shard_ehooks_get(shard);
edata_t *edata = ecache_alloc(tsdn, shard, ehooks,
edata_t *edata = ecache_alloc(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_dirty, NULL, size, alignment, zero);
if (edata == NULL && pa_shard_may_have_muzzy(shard)) {
edata = ecache_alloc(tsdn, shard, ehooks,
edata = ecache_alloc(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_muzzy, NULL, size, alignment, zero);
}
if (edata == NULL) {
edata = ecache_alloc_grow(tsdn, shard, ehooks,
edata = ecache_alloc_grow(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_retained, NULL, size, alignment, zero);
if (config_stats && edata != NULL) {
atomic_fetch_add_zu(&shard->pac.stats->pac_mapped, size,
@ -144,15 +144,15 @@ ecache_pai_expand(tsdn_t *tsdn, pai_t *self, edata_t *edata, size_t old_size,
if (ehooks_merge_will_fail(ehooks)) {
return true;
}
edata_t *trail = ecache_alloc(tsdn, shard, ehooks,
edata_t *trail = ecache_alloc(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_dirty, trail_begin, expand_amount, PAGE, zero);
if (trail == NULL) {
trail = ecache_alloc(tsdn, shard, ehooks,
trail = ecache_alloc(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_muzzy, trail_begin, expand_amount, PAGE,
zero);
}
if (trail == NULL) {
trail = ecache_alloc_grow(tsdn, shard, ehooks,
trail = ecache_alloc_grow(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_retained, trail_begin, expand_amount,
PAGE, zero);
mapped_add = expand_amount;
@ -160,8 +160,8 @@ ecache_pai_expand(tsdn_t *tsdn, pai_t *self, edata_t *edata, size_t old_size,
if (trail == NULL) {
return true;
}
if (extent_merge_wrapper(tsdn, shard, ehooks, edata, trail)) {
extent_dalloc_wrapper(tsdn, shard, ehooks, trail);
if (extent_merge_wrapper(tsdn, &shard->pac, ehooks, edata, trail)) {
extent_dalloc_wrapper(tsdn, &shard->pac, ehooks, trail);
return true;
}
if (config_stats && mapped_add > 0) {
@ -206,12 +206,13 @@ ecache_pai_shrink(tsdn_t *tsdn, pai_t *self, edata_t *edata, size_t old_size,
return true;
}
edata_t *trail = extent_split_wrapper(tsdn, shard, ehooks, edata,
edata_t *trail = extent_split_wrapper(tsdn, &shard->pac, ehooks, edata,
new_size, shrink_amount);
if (trail == NULL) {
return true;
}
ecache_dalloc(tsdn, shard, ehooks, &shard->pac.ecache_dirty, trail);
ecache_dalloc(tsdn, &shard->pac, ehooks, &shard->pac.ecache_dirty,
trail);
return false;
}
@ -242,7 +243,8 @@ ecache_pai_dalloc(tsdn_t *tsdn, pai_t *self, edata_t *edata) {
pa_shard_t *shard =
(pa_shard_t *)((uintptr_t)self - offsetof(pa_shard_t, ecache_pai));
ehooks_t *ehooks = pa_shard_ehooks_get(shard);
ecache_dalloc(tsdn, shard, ehooks, &shard->pac.ecache_dirty, edata);
ecache_dalloc(tsdn, &shard->pac, ehooks, &shard->pac.ecache_dirty,
edata);
}
void
@ -270,7 +272,7 @@ pa_stash_decayed(tsdn_t *tsdn, pa_shard_t *shard, ecache_t *ecache,
/* Stash extents according to npages_limit. */
size_t nstashed = 0;
while (nstashed < npages_decay_max) {
edata_t *edata = ecache_evict(tsdn, shard, ehooks, ecache,
edata_t *edata = ecache_evict(tsdn, &shard->pac, ehooks, ecache,
npages_limit);
if (edata == NULL) {
break;
@ -313,14 +315,14 @@ pa_decay_stashed(tsdn_t *tsdn, pa_shard_t *shard, decay_t *decay,
err = extent_purge_lazy_wrapper(tsdn, ehooks,
edata, /* offset */ 0, size);
if (!err) {
ecache_dalloc(tsdn, shard, ehooks,
ecache_dalloc(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_muzzy, edata);
break;
}
}
JEMALLOC_FALLTHROUGH;
case extent_state_muzzy:
extent_dalloc_wrapper(tsdn, shard, ehooks, edata);
extent_dalloc_wrapper(tsdn, &shard->pac, ehooks, edata);
nunmapped += npages;
break;
case extent_state_retained: