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Revert "FROMLIST: mm: clean up validate_slab()"

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This reverts commit 25c1b742fecc65a8f823bda9cc126a5ad8c4d3a7.
This commit is contained in:
UtsavBalar1231 2022-05-25 09:52:26 +05:30 committed by spakkkk
parent b9053d8550
commit 0a909c8494
1 changed files with 13 additions and 8 deletions
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21
mm/slub.c
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@ -4458,26 +4458,31 @@ static int count_total(struct page *page)
#endif
#ifdef CONFIG_SLUB_DEBUG
static void validate_slab(struct kmem_cache *s, struct page *page,
static int validate_slab(struct kmem_cache *s, struct page *page,
unsigned long *map)
{
void *p;
void *addr = page_address(page);
if (!check_slab(s, page) || !on_freelist(s, page, NULL))
return;
if (!check_slab(s, page) ||
!on_freelist(s, page, NULL))
return 0;
/* Now we know that a valid freelist exists */
bitmap_zero(map, page->objects);
get_map(s, page, map);
for_each_object(p, s, addr, page->objects) {
u8 val = test_bit(slab_index(p, s, addr), map) ?
SLUB_RED_INACTIVE : SLUB_RED_ACTIVE;
if (!check_object(s, page, p, val))
break;
if (test_bit(slab_index(p, s, addr), map))
if (!check_object(s, page, p, SLUB_RED_INACTIVE))
return 0;
}
for_each_object(p, s, addr, page->objects)
if (!test_bit(slab_index(p, s, addr), map))
if (!check_object(s, page, p, SLUB_RED_ACTIVE))
return 0;
return 1;
}
static void validate_slab_slab(struct kmem_cache *s, struct page *page,