diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 8276a3a615ca..2d978b28a410 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -985,7 +985,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, * __GFP_IO|__GFP_FS for this reason); but more thought * would probably show more reasons. * - * 3) Legacy memcg encounters a page that is not already marked + * 3) Legacy memcg encounters a page that is already marked * PageReclaim. memcg does not have any dirty pages * throttling so we could easily OOM just because too many * pages are in writeback and there is nothing else to @@ -1015,12 +1015,15 @@ static unsigned long shrink_page_list(struct list_head *page_list, */ SetPageReclaim(page); nr_writeback++; - goto keep_locked; /* Case 3 above */ } else { + unlock_page(page); wait_on_page_writeback(page); + /* then go back and try same page again */ + list_add_tail(&page->lru, page_list); + continue; } } |