mm: kfence: use PAGE_ALIGNED helper

Use PAGE_ALIGNED macro instead of IS_ALIGNED and passing PAGE_SIZE.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Acked-by: Muchun Song <[email protected]>
Cc: Marco Elver <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Kefeng Wang

mm/kfence/kfence_test.c

@@ -296,10 +296,9 @@ static void *test_alloc(struct kunit *test, size_t size, gfp_t gfp, enum allocat
 
 			if (policy == ALLOCATE_ANY)
 				return alloc;
-			if (policy == ALLOCATE_LEFT && IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+			if (policy == ALLOCATE_LEFT && PAGE_ALIGNED(alloc))
 				return alloc;
-			if (policy == ALLOCATE_RIGHT &&
-			    !IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+			if (policy == ALLOCATE_RIGHT && !PAGE_ALIGNED(alloc))
 				return alloc;
 		} else if (policy == ALLOCATE_NONE)
 			return alloc;