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Add junk/zero filling unit tests, and fix discovered bugs.

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Fix growing large reallocation to junk fill new space.

Fix huge deallocation to junk fill when munmap is disabled.
This commit is contained in:
Jason Evans 2014-01-07 16:47:56 -08:00
parent e18c25d23d
commit 6b694c4d47
9 changed files with 420 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

15
include/jemalloc/internal/arena.h
View file

@ -408,9 +408,12 @@ void arena_alloc_junk_small(void *ptr, arena_bin_info_t *bin_info,
#ifdef JEMALLOC_JET
typedef void (arena_redzone_corruption_t)(void *, size_t, bool, size_t,
uint8_t);
extern arena_redzone_corruption_t *arena_redzone_corruption_fptr;
#endif
extern arena_redzone_corruption_t *arena_redzone_corruption;
typedef void (arena_dalloc_junk_small_t)(void *, arena_bin_info_t *);
extern arena_dalloc_junk_small_t *arena_dalloc_junk_small;
#else
void arena_dalloc_junk_small(void *ptr, arena_bin_info_t *bin_info);
#endif
void arena_quarantine_junk_small(void *ptr, size_t usize);
void *arena_malloc_small(arena_t *arena, size_t size, bool zero);
void *arena_malloc_large(arena_t *arena, size_t size, bool zero);
@ -422,9 +425,17 @@ void arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr,
size_t pageind, arena_chunk_map_t *mapelm);
void arena_dalloc_small(arena_t *arena, arena_chunk_t *chunk, void *ptr,
size_t pageind);
#ifdef JEMALLOC_JET
typedef void (arena_dalloc_junk_large_t)(void *, size_t);
extern arena_dalloc_junk_large_t *arena_dalloc_junk_large;
#endif
void arena_dalloc_large_locked(arena_t *arena, arena_chunk_t *chunk,
void *ptr);
void arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr);
#ifdef JEMALLOC_JET
typedef void (arena_ralloc_junk_large_t)(void *, size_t, size_t);
extern arena_ralloc_junk_large_t *arena_ralloc_junk_large;
#endif
void *arena_ralloc_no_move(void *ptr, size_t oldsize, size_t size,
size_t extra, bool zero);
void *arena_ralloc(arena_t *arena, void *ptr, size_t oldsize, size_t size,

4
include/jemalloc/internal/huge.h
View file

@ -23,6 +23,10 @@ void *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);
#ifdef JEMALLOC_JET
typedef void (huge_dalloc_junk_t)(void *, size_t);
extern huge_dalloc_junk_t *huge_dalloc_junk;
#endif
void huge_dalloc(void *ptr, bool unmap);
size_t huge_salloc(const void *ptr);
prof_ctx_t *huge_prof_ctx_get(const void *ptr);

3
include/jemalloc/internal/private_symbols.txt
View file

@ -8,6 +8,7 @@ arena_boot
arena_dalloc
arena_dalloc_bin
arena_dalloc_bin_locked
arena_dalloc_junk_large
arena_dalloc_junk_small
arena_dalloc_large
arena_dalloc_large_locked
@ -52,6 +53,7 @@ arena_ptr_small_binind_get
arena_purge_all
arena_quarantine_junk_small
arena_ralloc
arena_ralloc_junk_large
arena_ralloc_no_move
arena_redzone_corruption
arena_run_regind
@ -194,6 +196,7 @@ hash_x86_32
huge_allocated
huge_boot
huge_dalloc
huge_dalloc_junk
huge_malloc
huge_mtx
huge_ndalloc