Merge pull request #68 from bmaurer/noderefarena
Don't dereference chunk->arena in free() hot path
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commit
82ae21b2c2
@ -495,8 +495,7 @@ prof_ctx_t *arena_prof_ctx_get(const void *ptr);
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void arena_prof_ctx_set(const void *ptr, size_t usize, prof_ctx_t *ctx);
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void arena_prof_ctx_set(const void *ptr, size_t usize, prof_ctx_t *ctx);
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void *arena_malloc(arena_t *arena, size_t size, bool zero, bool try_tcache);
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void *arena_malloc(arena_t *arena, size_t size, bool zero, bool try_tcache);
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size_t arena_salloc(const void *ptr, bool demote);
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size_t arena_salloc(const void *ptr, bool demote);
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void arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr,
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void arena_dalloc(arena_chunk_t *chunk, void *ptr, bool try_tcache);
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bool try_tcache);
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#endif
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_ARENA_C_))
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_ARENA_C_))
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@ -1022,13 +1021,11 @@ arena_salloc(const void *ptr, bool demote)
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}
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}
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JEMALLOC_ALWAYS_INLINE void
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JEMALLOC_ALWAYS_INLINE void
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arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr, bool try_tcache)
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arena_dalloc(arena_chunk_t *chunk, void *ptr, bool try_tcache)
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{
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{
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size_t pageind, mapbits;
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size_t pageind, mapbits;
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tcache_t *tcache;
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tcache_t *tcache;
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assert(arena != NULL);
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assert(chunk->arena == arena);
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assert(ptr != NULL);
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assert(ptr != NULL);
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assert(CHUNK_ADDR2BASE(ptr) != ptr);
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assert(CHUNK_ADDR2BASE(ptr) != ptr);
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@ -1043,7 +1040,7 @@ arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr, bool try_tcache)
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binind = arena_ptr_small_binind_get(ptr, mapbits);
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binind = arena_ptr_small_binind_get(ptr, mapbits);
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tcache_dalloc_small(tcache, ptr, binind);
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tcache_dalloc_small(tcache, ptr, binind);
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} else
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} else
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arena_dalloc_small(arena, chunk, ptr, pageind);
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arena_dalloc_small(chunk->arena, chunk, ptr, pageind);
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} else {
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} else {
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size_t size = arena_mapbits_large_size_get(chunk, pageind);
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size_t size = arena_mapbits_large_size_get(chunk, pageind);
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@ -1053,7 +1050,7 @@ arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr, bool try_tcache)
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tcache_get(false)) != NULL) {
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tcache_get(false)) != NULL) {
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tcache_dalloc_large(tcache, ptr, size);
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tcache_dalloc_large(tcache, ptr, size);
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} else
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} else
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arena_dalloc_large(arena, chunk, ptr);
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arena_dalloc_large(chunk->arena, chunk, ptr);
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}
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}
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}
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}
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# endif /* JEMALLOC_ARENA_INLINE_B */
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# endif /* JEMALLOC_ARENA_INLINE_B */
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@ -895,7 +895,7 @@ idalloct(void *ptr, bool try_tcache)
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chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
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chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
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if (chunk != ptr)
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if (chunk != ptr)
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arena_dalloc(chunk->arena, chunk, ptr, try_tcache);
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arena_dalloc(chunk, ptr, try_tcache);
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else
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else
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huge_dalloc(ptr, true);
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huge_dalloc(ptr, true);
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}
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}
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@ -2103,7 +2103,7 @@ a0free(void *ptr)
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chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
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chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
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if (chunk != ptr)
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if (chunk != ptr)
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arena_dalloc(chunk->arena, chunk, ptr, false);
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arena_dalloc(chunk, ptr, false);
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else
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else
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huge_dalloc(ptr, true);
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huge_dalloc(ptr, true);
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}
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}
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