diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 2255025f1891..044207d0bb66 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1732,11 +1732,14 @@ retry: /* follow __remove_mapping for reference */ if (!page_ref_freeze(page, 1)) goto keep_locked; - if (PageDirty(page)) { - page_ref_unfreeze(page, 1); - goto keep_locked; - } - + /* + * The page has only one reference left, which is + * from the isolation. After the caller puts the + * page back on lru and drops the reference, the + * page will be freed anyway. It doesn't matter + * which lru it goes. So we don't bother checking + * PageDirty here. + */ count_vm_event(PGLAZYFREED); count_memcg_page_event(page, PGLAZYFREED); } else if (!mapping || !__remove_mapping(mapping, page, true, |