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Apply likely()/unlikely() to allocation/deallocation fast paths.

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This commit is contained in:
Jason Evans 2014-09-11 16:20:44 -07:00
parent 91566fc079
commit 9c640bfdd4
8 changed files with 138 additions and 129 deletions
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6
src/huge.c
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@ -62,9 +62,9 @@ huge_palloc(arena_t *arena, size_t size, size_t alignment, bool zero)
malloc_mutex_unlock(&huge_mtx);
if (config_fill && zero == false) {
if (opt_junk)
if (unlikely(opt_junk))
memset(ret, 0xa5, csize);
else if (opt_zero && is_zeroed == false)
else if (unlikely(opt_zero) && is_zeroed == false)
memset(ret, 0, csize);
}
@ -141,7 +141,7 @@ static void
huge_dalloc_junk(void *ptr, size_t usize)
{
if (config_fill && have_dss && opt_junk) {
if (config_fill && have_dss && unlikely(opt_junk)) {
/*
* Only bother junk filling if the chunk isn't about to be
* unmapped.