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Merge pull request #31 from yshui/master

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kmalloc: use posix_memalign
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koverstreet 2020-05-23 12:55:02 -04:00 committed by GitHub
commit bae7a9ae8d
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1 changed files with 8 additions and 6 deletions
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14
include/linux/slab.h
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@ -20,12 +20,14 @@ static inline void *kmalloc(size_t size, gfp_t flags)
run_shrinkers();
size_t alignment = min(rounddown_pow_of_two(size),
(size_t)PAGE_SIZE);
size = roundup(size, alignment);
p = size
? aligned_alloc(alignment, size)
: malloc(0);
if (size) {
size_t alignment = min(rounddown_pow_of_two(size), (size_t)PAGE_SIZE);
alignment = max(sizeof(void *), alignment);
if (posix_memalign(&p, alignment, size))
p = NULL;
} else {
p = malloc(0);
}
if (p && (flags & __GFP_ZERO))
memset(p, 0, size);