[PATCH 1/5] mm/migrate.c: remove unnecessary VM_BUG_ON_PAGE on putback_movable_page()

Miaohe Lin
2021-03-20T09:38:14Z

The !PageLocked() check is implicitly done in PageMovable(). Remove this
explicit one.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/migrate.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 47df0df8f21a..e4ca5ef508ea 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -146,7 +146,6 @@ void putback_movable_page(struct page *page)
struct address_space *mapping;

VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(!PageMovable(page), page);
VM_BUG_ON_PAGE(!PageIsolated(page), page);

mapping = page_mapping(page);
--
2.19.1