project-base/server-skynet-source-3rd-jemalloc
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Optimize ixalloc by avoiding a size lookup.

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This commit is contained in:
Qi Wang
2018-06-04 13:36:06 -07:00
committed by Qi Wang
parent c834912aa9
commit 0ff7ff3ec7
4 changed files with 27 additions and 15 deletions
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2
include/jemalloc/internal/arena_externs.h
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@@ -64,7 +64,7 @@ void arena_dalloc_bin_junked_locked(tsdn_t *tsdn, arena_t *arena,
extent_t *extent, void *ptr);
void arena_dalloc_small(tsdn_t *tsdn, void *ptr);
bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size,
size_t extra, bool zero);
size_t extra, bool zero, size_t *newsize);
void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,
size_t size, size_t alignment, bool zero, tcache_t *tcache,
hook_ralloc_args_t *hook_args);

6
include/jemalloc/internal/jemalloc_internal_inlines_c.h
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@@ -203,7 +203,7 @@ iralloc(tsd_t *tsd, void *ptr, size_t oldsize, size_t size, size_t alignment,
JEMALLOC_ALWAYS_INLINE bool
ixalloc(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size, size_t extra,
size_t alignment, bool zero) {
size_t alignment, bool zero, size_t *newsize) {
assert(ptr != NULL);
assert(size != 0);
witness_assert_depth_to_rank(tsdn_witness_tsdp_get(tsdn),
@@ -212,10 +212,12 @@ ixalloc(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size, size_t extra,
if (alignment != 0 && ((uintptr_t)ptr & ((uintptr_t)alignment-1))
!= 0) {
/* Existing object alignment is inadequate. */
*newsize = oldsize;
return true;
}
return arena_ralloc_no_move(tsdn, ptr, oldsize, size, extra, zero);
return arena_ralloc_no_move(tsdn, ptr, oldsize, size, extra, zero,
newsize);
}
#endif /* JEMALLOC_INTERNAL_INLINES_C_H */