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Add support for user-specified chunk allocators/deallocators.

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Add new mallctl endpoints "arena<i>.chunk.alloc" and
"arena<i>.chunk.dealloc" to allow userspace to configure
jemalloc's chunk allocator and deallocator on a per-arena
basis.
This commit is contained in:
aravind
2014-05-05 15:16:56 -07:00
committed by Jason Evans
parent 4bbd11b789
commit fb7fe50a88
16 changed files with 283 additions and 45 deletions
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8
include/jemalloc/internal/chunk.h
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@@ -43,10 +43,12 @@ extern size_t chunk_npages;
extern size_t map_bias; /* Number of arena chunk header pages. */
extern size_t arena_maxclass; /* Max size class for arenas. */
void *chunk_alloc(size_t size, size_t alignment, bool base, bool *zero,
dss_prec_t dss_prec);
void *chunk_alloc(arena_t *arena, size_t size, size_t alignment, bool base,
bool *zero, dss_prec_t dss_prec);
void *chunk_alloc_default(size_t size, size_t alignment, bool *zero,
unsigned arena_ind);
void chunk_unmap(void *chunk, size_t size);
void chunk_dealloc(void *chunk, size_t size, bool unmap);
void chunk_dealloc(arena_t *arena, void *chunk, size_t size, bool unmap);
bool chunk_boot(void);
void chunk_prefork(void);
void chunk_postfork_parent(void);