mm/list_lru.c: mark expected switch fall-through

In preparation for enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Gustavo A. R. Silva <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
modi0012 · Nov 16, 2017 · 5b568ac · 5b568ac
1 parent c840287
commit 5b568ac
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/list_lru.c b/mm/list_lru.c
@@ -221,6 +221,7 @@ __list_lru_walk_one(struct list_lru *lru, int nid, int memcg_idx,
 		switch (ret) {
 		case LRU_REMOVED_RETRY:
 			assert_spin_locked(&nlru->lock);
+			/* fall through */
 		case LRU_REMOVED:
 			isolated++;
 			nlru->nr_items--;