diff options
Diffstat (limited to 'mm/slab.c')
-rw-r--r-- | mm/slab.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/slab.c b/mm/slab.c index f4b2e22b5c61..3e984afc199c 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -614,20 +614,19 @@ static inline void page_set_slab(struct page *page, struct slab *slab) static inline struct slab *page_get_slab(struct page *page) { - page = compound_head(page); BUG_ON(!PageSlab(page)); return (struct slab *)page->lru.prev; } static inline struct kmem_cache *virt_to_cache(const void *obj) { - struct page *page = virt_to_page(obj); + struct page *page = virt_to_head_page(obj); return page_get_cache(page); } static inline struct slab *virt_to_slab(const void *obj) { - struct page *page = virt_to_page(obj); + struct page *page = virt_to_head_page(obj); return page_get_slab(page); } @@ -2876,7 +2875,7 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp, objp -= obj_offset(cachep); kfree_debugcheck(objp); - page = virt_to_page(objp); + page = virt_to_head_page(objp); slabp = page_get_slab(page); @@ -3100,7 +3099,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, struct slab *slabp; unsigned objnr; - slabp = page_get_slab(virt_to_page(objp)); + slabp = page_get_slab(virt_to_head_page(objp)); objnr = (unsigned)(objp - slabp->s_mem) / cachep->buffer_size; slab_bufctl(slabp)[objnr] = BUFCTL_ACTIVE; } |