Commits
Hillf Danton committed 09761333ed4
mm/migrate.c: pair unlock_page() and lock_page() when migrating huge pages Avoid unlocking and unlocked page if we failed to lock it. Signed-off-by: Hillf Danton <dhillf@gmail.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>