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Extent -> Ehooks: Move dalloc hook.

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David Goldblatt 2019-12-03 10:47:28 -08:00 committed by David Goldblatt
parent dc8b4e6e13
commit bac8e2e5a6
4 changed files with 34 additions and 34 deletions
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20
include/jemalloc/internal/ehooks.h
View File

@ -18,6 +18,10 @@ void *ehooks_default_alloc(extent_hooks_t *extent_hooks, void *new_addr,
size_t size, size_t alignment, bool *zero, bool *commit,
unsigned arena_ind);
bool ehooks_default_dalloc_impl(void *addr, size_t size);
bool ehooks_default_dalloc(extent_hooks_t *extent_hooks, void *addr,
size_t size, bool committed, unsigned arena_ind);
static inline void
ehooks_pre_reentrancy(tsdn_t *tsdn) {
tsd_t *tsd = tsdn_null(tsdn) ? tsd_fetch() : tsdn_tsd(tsdn);
@ -89,14 +93,20 @@ ehooks_alloc(tsdn_t *tsdn, ehooks_t *ehooks, void *new_addr, size_t size,
}
static inline bool
ehooks_dalloc(ehooks_t *ehooks, void *addr, size_t size, bool committed,
unsigned arena_ind) {
ehooks_dalloc(tsdn_t *tsdn, ehooks_t *ehooks, void *addr, size_t size,
bool committed, unsigned arena_ind) {
extent_hooks_t *extent_hooks = ehooks_get_extent_hooks_ptr(ehooks);
if (extent_hooks->dalloc == NULL) {
if (extent_hooks == &extent_hooks_default) {
return ehooks_default_dalloc_impl(addr, size);
} else if (extent_hooks->dalloc == NULL) {
return true;
} else {
ehooks_pre_reentrancy(tsdn);
bool err = extent_hooks->dalloc(extent_hooks, addr, size,
committed, arena_ind);
ehooks_post_reentrancy(tsdn);
return err;
}
return extent_hooks->dalloc(extent_hooks, addr, size, committed,
arena_ind);
}
static inline void

2
src/base.c
View File

@ -81,7 +81,7 @@ base_unmap(tsdn_t *tsdn, ehooks_t *ehooks, unsigned ind, void *addr,
} else {
tsd_t *tsd = tsdn_null(tsdn) ? tsd_fetch() : tsdn_tsd(tsdn);
pre_reentrancy(tsd, NULL);
if (!ehooks_dalloc(ehooks, addr, size, true, ind)) {
if (!ehooks_dalloc(tsdn, ehooks, addr, size, true, ind)) {
goto label_post_reentrancy;
}
if (!ehooks_decommit(ehooks, addr, size, 0, size, ind)) {

14
src/ehooks.c
View File

@ -75,3 +75,17 @@ ehooks_default_alloc(extent_hooks_t *extent_hooks, void *new_addr, size_t size,
ALIGNMENT_CEILING(alignment, PAGE), zero, commit,
arena_ind_get(arena));
}
bool
ehooks_default_dalloc_impl(void *addr, size_t size) {
if (!have_dss || !extent_in_dss(addr)) {
return extent_dalloc_mmap(addr, size);
}
return true;
}
bool
ehooks_default_dalloc(extent_hooks_t *extent_hooks, void *addr, size_t size,
bool committed, unsigned arena_ind) {
return ehooks_default_dalloc_impl(addr, size);
}

28
src/extent.c
View File

@ -19,8 +19,6 @@ mutex_pool_t extent_mutex_pool;
size_t opt_lg_extent_max_active_fit = LG_EXTENT_MAX_ACTIVE_FIT_DEFAULT;
static bool extent_dalloc_default(extent_hooks_t *extent_hooks, void *addr,
size_t size, bool committed, unsigned arena_ind);
static void extent_destroy_default(extent_hooks_t *extent_hooks, void *addr,
size_t size, bool committed, unsigned arena_ind);
static bool extent_commit_default(extent_hooks_t *extent_hooks, void *addr,
@ -58,7 +56,7 @@ static bool extent_merge_impl(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
const extent_hooks_t extent_hooks_default = {
ehooks_default_alloc,
extent_dalloc_default,
ehooks_default_dalloc,
extent_destroy_default,
extent_commit_default,
extent_decommit_default
@ -1344,20 +1342,6 @@ extent_may_dalloc(void) {
return !opt_retain;
}
static bool
extent_dalloc_default_impl(void *addr, size_t size) {
if (!have_dss || !extent_in_dss(addr)) {
return extent_dalloc_mmap(addr, size);
}
return true;
}
static bool
extent_dalloc_default(extent_hooks_t *extent_hooks, void *addr, size_t size,
bool committed, unsigned arena_ind) {
return extent_dalloc_default_impl(addr, size);
}
static bool
extent_dalloc_wrapper_try(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
extent_t *extent) {
@ -1371,17 +1355,9 @@ extent_dalloc_wrapper_try(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
extent_addr_set(extent, extent_base_get(extent));
/* Try to deallocate. */
if (ehooks_are_default(ehooks)) {
/* Call directly to propagate tsdn. */
err = extent_dalloc_default_impl(extent_base_get(extent),
extent_size_get(extent));
} else {
extent_hook_pre_reentrancy(tsdn, arena);
err = ehooks_dalloc(ehooks, extent_base_get(extent),
err = ehooks_dalloc(tsdn, ehooks, extent_base_get(extent),
extent_size_get(extent), extent_committed_get(extent),
arena_ind_get(arena));
extent_hook_post_reentrancy(tsdn);
}
if (!err) {
extent_dalloc(tsdn, arena, extent);