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-rw-r--r--mm/slab.h14
1 files changed, 1 insertions, 13 deletions
diff --git a/mm/slab.h b/mm/slab.h
index ccbdbed18c05..77242024e7d5 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -131,19 +131,7 @@ static_assert(IS_ALIGNED(offsetof(struct slab, freelist), sizeof(struct freelist
*/
static inline struct slab *page_slab(const struct page *page)
{
- unsigned long info;
-
- info = READ_ONCE(page->compound_info);
- if (info & 1) {
- /* See compound_head() */
- if (compound_info_has_mask()) {
- unsigned long p = (unsigned long)page;
- page = (struct page *)(p & info);
- } else {
- page = (struct page *)(info - 1);
- }
- }
-
+ page = compound_head(page);
if (data_race(page->page_type >> 24) != PGTY_slab)
page = NULL;