mm/shmem.c: mark expected switch fall-through
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Link: http://lkml.kernel.org/r/20171020191058.GA24427@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/shmem.c b/mm/shmem.c
index d6947d2..ab22eaa 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4098,6 +4098,7 @@
if (i_size >= HPAGE_PMD_SIZE &&
i_size >> PAGE_SHIFT >= off)
return true;
+ /* fall through */
case SHMEM_HUGE_ADVISE:
/* TODO: implement fadvise() hints */
return (vma->vm_flags & VM_HUGEPAGE);