mm/kfence: Convert kfence_guarded_alloc() to struct slab

The function sets some fields that are being moved from struct page to
struct slab so it needs to be converted.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: <kasan-dev@googlegroups.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c
index f7276711d7b9..a22b1af85577 100644
--- a/mm/kfence/kfence_test.c
+++ b/mm/kfence/kfence_test.c
@@ -282,7 +282,7 @@ static void *test_alloc(struct kunit *test, size_t size, gfp_t gfp, enum allocat
 			alloc = kmalloc(size, gfp);
 
 		if (is_kfence_address(alloc)) {
-			struct page *page = virt_to_head_page(alloc);
+			struct slab *slab = virt_to_slab(alloc);
 			struct kmem_cache *s = test_cache ?:
 					kmalloc_caches[kmalloc_type(GFP_KERNEL)][__kmalloc_index(size, false)];
 
@@ -291,8 +291,8 @@ static void *test_alloc(struct kunit *test, size_t size, gfp_t gfp, enum allocat
 			 * even for KFENCE objects; these are required so that
 			 * memcg accounting works correctly.
 			 */
-			KUNIT_EXPECT_EQ(test, obj_to_index(s, page_slab(page), alloc), 0U);
-			KUNIT_EXPECT_EQ(test, objs_per_slab(s, page_slab(page)), 1);
+			KUNIT_EXPECT_EQ(test, obj_to_index(s, slab, alloc), 0U);
+			KUNIT_EXPECT_EQ(test, objs_per_slab(s, slab), 1);
 
 			if (policy == ALLOCATE_ANY)
 				return alloc;