mm/migrate.c: attach_page_private already does the get_page

Just finished bisecting mmotm, to find why a test which used to take
four minutes now took more than an hour: the __buffer_migrate_page()
cleanup left behind a get_page() which attach_page_private() now does.

Fixes: cd0f37154443 ("mm/migrate.c: call detach_page_private to cleanup code")
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/migrate.c b/mm/migrate.c
index fb425d8..846af96 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -798,7 +798,6 @@ recheck_buffers:
                goto unlock_buffers;
 
        attach_page_private(newpage, detach_page_private(page));
-       get_page(newpage);
 
        bh = head;
        do {