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Further optimize and harden arena_salloc().

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Further optimize arena_salloc() to only look at the binind chunk map
bits in the common case.

Add more sanity checks to arena_salloc() that detect chunk map
inconsistencies for large allocations (whether due to allocator bugs or
application bugs).
This commit is contained in:
Jason Evans
2012-05-02 16:11:03 -07:00
parent 7bfecf412d
commit 80737c3323
3 changed files with 73 additions and 37 deletions
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include/jemalloc/internal/private_namespace.h
+2 -1
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@@ -16,6 +16,7 @@
#define arena_malloc_large JEMALLOC_N(arena_malloc_large)
#define arena_malloc_small JEMALLOC_N(arena_malloc_small)
#define arena_mapbits_allocated_get JEMALLOC_N(arena_mapbits_allocated_get)
#define arena_mapbits_binind_get JEMALLOC_N(arena_mapbits_binind_get)
#define arena_mapbits_dirty_get JEMALLOC_N(arena_mapbits_dirty_get)
#define arena_mapbits_get JEMALLOC_N(arena_mapbits_get)
#define arena_mapbits_large_binind_set JEMALLOC_N(arena_mapbits_large_binind_set)
@@ -41,7 +42,7 @@
#define arena_prof_ctx_get JEMALLOC_N(arena_prof_ctx_get)
#define arena_prof_ctx_set JEMALLOC_N(arena_prof_ctx_set)
#define arena_prof_promoted JEMALLOC_N(arena_prof_promoted)
#define arena_ptr_binind JEMALLOC_N(arena_ptr_binind)
#define arena_ptr_small_binind_get JEMALLOC_N(arena_ptr_small_binind_get)
#define arena_purge_all JEMALLOC_N(arena_purge_all)
#define arena_ralloc JEMALLOC_N(arena_ralloc)
#define arena_ralloc_no_move JEMALLOC_N(arena_ralloc_no_move)