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-rw-r--r--mm/vmscan.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5db32fdfaf39..e1c64230ffdd 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -443,6 +443,10 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc)
BUG_ON(PageActive(page));
sc->nr_scanned++;
+
+ if (!sc->may_swap && page_mapped(page))
+ goto keep_locked;
+
/* Double the slab pressure for mapped and swapcache pages */
if (page_mapped(page) || PageSwapCache(page))
sc->nr_scanned++;
@@ -1231,7 +1235,7 @@ refill_inactive_zone(struct zone *zone, struct scan_control *sc)
* Now use this metric to decide whether to start moving mapped memory
* onto the inactive list.
*/
- if (swap_tendency >= 100)
+ if (swap_tendency >= 100 && sc->may_swap)
reclaim_mapped = 1;
while (!list_empty(&l_hold)) {