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/20171020190754.GA24332@embeddedor.com
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/list_lru.c b/mm/list_lru.c
index f141f0c..fd41e96 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -221,6 +221,7 @@
switch (ret) {
case LRU_REMOVED_RETRY:
assert_spin_locked(&nlru->lock);
+ /* fall through */
case LRU_REMOVED:
isolated++;
nlru->nr_items--;