diff --git a/mm/slab.c b/mm/slab.c
index f4b2e22..3e984af 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -614,20 +614,19 @@
 
 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 @@
 
 	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 @@
 		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;
 	}