diff options
| author | Mel Gorman <[email protected]> | 2013-12-18 17:08:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-12-18 19:04:51 -0800 |
| commit | eb4489f69f224356193364dc2762aa009738ca7f (patch) | |
| tree | 989a782b069c484155770d122026ce2f447e8a2a | |
| parent | c3a489cac38d43ea6dc4ac240473b44b46deecf7 (diff) | |
mm: numa: avoid unnecessary work on the failure path
If a PMD changes during a THP migration then migration aborts but the
failure path is doing more work than is necessary.
Signed-off-by: Mel Gorman <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Cc: Alex Thorlton <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/migrate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index be787d506fbb..a987525810ae 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1780,7 +1780,8 @@ fail_putback: putback_lru_page(page); mod_zone_page_state(page_zone(page), NR_ISOLATED_ANON + page_lru, -HPAGE_PMD_NR); - goto out_fail; + + goto out_unlock; } /* @@ -1854,6 +1855,7 @@ out_dropref: } spin_unlock(ptl); +out_unlock: unlock_page(page); put_page(page); return 0; |