diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 208071c48bf2..ece2ecb08102 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -935,6 +935,16 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, /* Check that we have not crossed a zone boundary. */ if (unlikely(page_zone_id(cursor_page) != zone_id)) continue; + + /* + * If we don't have enough swap space, reclaiming of + * anon page which don't already have a swap slot is + * pointless. + */ + if (nr_swap_pages <= 0 && PageAnon(cursor_page) && + !PageSwapCache(cursor_page)) + continue; + if (__isolate_lru_page(cursor_page, mode, file) == 0) { list_move(&cursor_page->lru, dst); mem_cgroup_del_lru(cursor_page); |