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Rename chunks_{cached,retained,mtx} to extents_{cached,retained,mtx}.

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This commit is contained in:
Jason Evans 2016-06-01 11:35:30 -07:00
parent 127026ad98
commit c9a76481d8
4 changed files with 35 additions and 34 deletions
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16
include/jemalloc/internal/arena.h
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@ -235,20 +235,20 @@ struct arena_s {
malloc_mutex_t large_mtx;
/*
* Heaps of chunks that were previously allocated. These are used when
* allocating chunks, in an attempt to re-use address space.
* Heaps of extents that were previously allocated. These are used when
* allocating extents, in an attempt to re-use address space.
*/
extent_heap_t chunks_cached[NPSIZES];
extent_heap_t chunks_retained[NPSIZES];
extent_heap_t extents_cached[NPSIZES];
extent_heap_t extents_retained[NPSIZES];
/* User-configurable extent hook functions. */
extent_hooks_t extent_hooks;
/* Protects extents_cached, extents_retained, and extent_hooks. */
malloc_mutex_t extents_mtx;
malloc_mutex_t chunks_mtx;
/* Cache of extent structures that were allocated via base_alloc(). */
ql_head(extent_t) extent_cache;
malloc_mutex_t extent_cache_mtx;
/* User-configurable extent hook functions. */
extent_hooks_t extent_hooks;
/* bins is used to store heaps of free regions. */
arena_bin_t bins[NBINS];
};

2
include/jemalloc/internal/witness.h
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@ -24,7 +24,7 @@ typedef int witness_comp_t (const witness_t *, void *, const witness_t *,
#define WITNESS_RANK_PROF_GCTX 7U
#define WITNESS_RANK_ARENA 8U
#define WITNESS_RANK_ARENA_CHUNKS 9U
#define WITNESS_RANK_ARENA_EXTENTS 9U
#define WITNESS_RANK_ARENA_EXTENT_CACHE 10
#define WITNESS_RANK_RTREE_ELM 11U

19
src/arena.c
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@ -1793,20 +1793,21 @@ arena_new(tsdn_t *tsdn, unsigned ind)
return (NULL);
for (i = 0; i < NPSIZES; i++) {
extent_heap_new(&arena->chunks_cached[i]);
extent_heap_new(&arena->chunks_retained[i]);
extent_heap_new(&arena->extents_cached[i]);
extent_heap_new(&arena->extents_retained[i]);
}
if (malloc_mutex_init(&arena->chunks_mtx, "arena_chunks",
WITNESS_RANK_ARENA_CHUNKS))
arena->extent_hooks = extent_hooks_default;
if (malloc_mutex_init(&arena->extents_mtx, "arena_extents",
WITNESS_RANK_ARENA_EXTENTS))
return (NULL);
ql_new(&arena->extent_cache);
if (malloc_mutex_init(&arena->extent_cache_mtx, "arena_extent_cache",
WITNESS_RANK_ARENA_EXTENT_CACHE))
return (NULL);
arena->extent_hooks = extent_hooks_default;
/* Initialize bins. */
for (i = 0; i < NBINS; i++) {
arena_bin_t *bin = &arena->bins[i];
@ -1843,7 +1844,7 @@ void
arena_prefork1(tsdn_t *tsdn, arena_t *arena)
{
malloc_mutex_prefork(tsdn, &arena->chunks_mtx);
malloc_mutex_prefork(tsdn, &arena->extents_mtx);
}
void
@ -1872,7 +1873,7 @@ arena_postfork_parent(tsdn_t *tsdn, arena_t *arena)
for (i = 0; i < NBINS; i++)
malloc_mutex_postfork_parent(tsdn, &arena->bins[i].lock);
malloc_mutex_postfork_parent(tsdn, &arena->extent_cache_mtx);
malloc_mutex_postfork_parent(tsdn, &arena->chunks_mtx);
malloc_mutex_postfork_parent(tsdn, &arena->extents_mtx);
malloc_mutex_postfork_parent(tsdn, &arena->lock);
}
@ -1885,6 +1886,6 @@ arena_postfork_child(tsdn_t *tsdn, arena_t *arena)
for (i = 0; i < NBINS; i++)
malloc_mutex_postfork_child(tsdn, &arena->bins[i].lock);
malloc_mutex_postfork_child(tsdn, &arena->extent_cache_mtx);
malloc_mutex_postfork_child(tsdn, &arena->chunks_mtx);
malloc_mutex_postfork_child(tsdn, &arena->extents_mtx);
malloc_mutex_postfork_child(tsdn, &arena->lock);
}

32
src/chunk.c
View File

@ -83,9 +83,9 @@ extent_hooks_get(tsdn_t *tsdn, arena_t *arena)
{
extent_hooks_t extent_hooks;
malloc_mutex_lock(tsdn, &arena->chunks_mtx);
malloc_mutex_lock(tsdn, &arena->extents_mtx);
extent_hooks = extent_hooks_get_locked(arena);
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
return (extent_hooks);
}
@ -96,7 +96,7 @@ extent_hooks_set(tsdn_t *tsdn, arena_t *arena,
{
extent_hooks_t old_extent_hooks;
malloc_mutex_lock(tsdn, &arena->chunks_mtx);
malloc_mutex_lock(tsdn, &arena->extents_mtx);
old_extent_hooks = arena->extent_hooks;
/*
* Copy each field atomically so that it is impossible for readers to
@ -121,7 +121,7 @@ extent_hooks_set(tsdn_t *tsdn, arena_t *arena,
ATOMIC_COPY_HOOK(split);
ATOMIC_COPY_HOOK(merge);
#undef ATOMIC_COPY_HOOK
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
return (old_extent_hooks);
}
@ -330,7 +330,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
/* Beware size_t wrap-around. */
if (alloc_size < usize)
return (NULL);
malloc_mutex_lock(tsdn, &arena->chunks_mtx);
malloc_mutex_lock(tsdn, &arena->extents_mtx);
extent_hooks_assure_initialized_locked(tsdn, arena, extent_hooks);
if (new_addr != NULL) {
rtree_elm_t *elm;
@ -350,7 +350,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
extent = chunk_first_best_fit(arena, extent_heaps, alloc_size);
if (extent == NULL || (new_addr != NULL && extent_size_get(extent) <
size)) {
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
return (NULL);
}
extent_heaps_remove(extent_heaps, extent);
@ -373,7 +373,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
leadsize, leadsize, size + trailsize, usize + trailsize);
if (extent == NULL) {
chunk_leak(tsdn, arena, extent_hooks, cache, lead);
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
return (NULL);
}
extent_heaps_insert(extent_heaps, lead);
@ -386,7 +386,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
extent, size, usize, trailsize, trailsize);
if (trail == NULL) {
chunk_leak(tsdn, arena, extent_hooks, cache, extent);
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
return (NULL);
}
extent_heaps_insert(extent_heaps, trail);
@ -402,7 +402,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
if (!extent_committed_get(extent) &&
extent_hooks->commit(extent_base_get(extent),
extent_size_get(extent), 0, extent_size_get(extent), arena->ind)) {
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
chunk_record(tsdn, arena, extent_hooks, extent_heaps, cache,
extent);
return (NULL);
@ -416,7 +416,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
chunk_interior_register(tsdn, extent);
}
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
if (*zero) {
if (!extent_zeroed_get(extent)) {
@ -480,7 +480,7 @@ chunk_alloc_cache(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
assert(alignment != 0);
commit = true;
extent = chunk_recycle(tsdn, arena, extent_hooks, arena->chunks_cached,
extent = chunk_recycle(tsdn, arena, extent_hooks, arena->extents_cached,
true, new_addr, usize, pad, alignment, zero, &commit, slab);
if (extent == NULL)
return (NULL);
@ -531,7 +531,7 @@ chunk_alloc_retained(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
assert(alignment != 0);
extent = chunk_recycle(tsdn, arena, extent_hooks,
arena->chunks_retained, false, new_addr, usize, pad, alignment,
arena->extents_retained, false, new_addr, usize, pad, alignment,
zero, commit, slab);
if (extent != NULL && config_stats) {
size_t size = usize + pad;
@ -640,7 +640,7 @@ chunk_record(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
assert(!cache || !extent_zeroed_get(extent));
malloc_mutex_lock(tsdn, &arena->chunks_mtx);
malloc_mutex_lock(tsdn, &arena->extents_mtx);
extent_hooks_assure_initialized_locked(tsdn, arena, extent_hooks);
extent_usize_set(extent, 0);
@ -671,7 +671,7 @@ chunk_record(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
extent_heaps, cache);
}
malloc_mutex_unlock(tsdn, &arena->chunks_mtx);
malloc_mutex_unlock(tsdn, &arena->extents_mtx);
}
void
@ -685,7 +685,7 @@ chunk_dalloc_cache(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
extent_addr_set(extent, extent_base_get(extent));
extent_zeroed_set(extent, false);
chunk_record(tsdn, arena, extent_hooks, arena->chunks_cached, true,
chunk_record(tsdn, arena, extent_hooks, arena->extents_cached, true,
extent);
}
@ -732,7 +732,7 @@ chunk_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena, extent_hooks_t *extent_hooks,
if (config_stats)
arena->stats.retained += extent_size_get(extent);
chunk_record(tsdn, arena, extent_hooks, arena->chunks_retained, false,
chunk_record(tsdn, arena, extent_hooks, arena->extents_retained, false,
extent);
}