mm/rmap: remove unneeded semicolon in page_not_mapped()

[ Upstream commit e0af87ff7afcde2660be44302836d2d5618185af ]

Remove extra semicolon without any functional change intended.

Link: https://lkml.kernel.org/r/20210127093425.39640-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
diff --git a/mm/rmap.c b/mm/rmap.c
index 8bd2ddd..e2506b6 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1671,7 +1671,7 @@ bool try_to_unmap(struct page *page, enum ttu_flags flags)
 static int page_not_mapped(struct page *page)
 {
 	return !page_mapped(page);
-};
+}
 
 /**
  * try_to_munlock - try to munlock a page