diff --git a/fs/dcache.c b/fs/dcache.c
index 435991eada1ef554a8f724a602dc951f14050c3e..a6c5d7e9d622c7137b71b6f5b3b0da8c43a949c0 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2360,6 +2360,8 @@ static void swap_names(struct dentry *dentry, struct dentry *target)
 			 */
 			unsigned int i;
 			BUILD_BUG_ON(!IS_ALIGNED(DNAME_INLINE_LEN, sizeof(long)));
+			kmemcheck_mark_initialized(dentry->d_iname, DNAME_INLINE_LEN);
+			kmemcheck_mark_initialized(target->d_iname, DNAME_INLINE_LEN);
 			for (i = 0; i < DNAME_INLINE_LEN / sizeof(long); i++) {
 				swap(((long *) &dentry->d_iname)[i],
 				     ((long *) &target->d_iname)[i]);