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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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10
include/jemalloc/internal/huge.h
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@@ -17,13 +17,15 @@ extern size_t huge_allocated;
/* Protects chunk-related data structures. */
extern malloc_mutex_t huge_mtx;
void *huge_malloc(size_t size, bool zero, dss_prec_t dss_prec);
void *huge_palloc(size_t size, size_t alignment, bool zero,
void *huge_malloc(arena_t *arena, size_t size, bool zero,
dss_prec_t dss_prec);
void *huge_palloc(arena_t *arena, size_t size, size_t alignment, bool zero,
dss_prec_t dss_prec);
bool huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size,
size_t extra);
void *huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra,
size_t alignment, bool zero, bool try_tcache_dalloc, dss_prec_t dss_prec);
void *huge_ralloc(arena_t *arena, void *ptr, size_t oldsize, size_t size,
size_t extra, size_t alignment, bool zero, bool try_tcache_dalloc,
dss_prec_t dss_prec);
#ifdef JEMALLOC_JET
typedef void (huge_dalloc_junk_t)(void *, size_t);
extern huge_dalloc_junk_t *huge_dalloc_junk;