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-rw-r--r--mm/vmscan.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 396ecee281d0..606d0bb46091 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2195,6 +2195,13 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
2195 goto out; 2195 goto out;
2196 2196
2197 /* 2197 /*
2198 * If we're getting trouble reclaiming, start doing
2199 * writepage even in laptop mode.
2200 */
2201 if (sc->priority < DEF_PRIORITY - 2)
2202 sc->may_writepage = 1;
2203
2204 /*
2198 * Try to write back as many pages as we just scanned. This 2205 * Try to write back as many pages as we just scanned. This
2199 * tends to cause slow streaming writers to write data to the 2206 * tends to cause slow streaming writers to write data to the
2200 * disk smoothly, at the dirtying rate, which is nice. But 2207 * disk smoothly, at the dirtying rate, which is nice. But
@@ -2765,12 +2772,10 @@ loop_again:
2765 } 2772 }
2766 2773
2767 /* 2774 /*
2768 * If we've done a decent amount of scanning and 2775 * If we're getting trouble reclaiming, start doing
2769 * the reclaim ratio is low, start doing writepage 2776 * writepage even in laptop mode.
2770 * even in laptop mode
2771 */ 2777 */
2772 if (total_scanned > SWAP_CLUSTER_MAX * 2 && 2778 if (sc.priority < DEF_PRIORITY - 2)
2773 total_scanned > sc.nr_reclaimed + sc.nr_reclaimed / 2)
2774 sc.may_writepage = 1; 2779 sc.may_writepage = 1;
2775 2780
2776 if (zone->all_unreclaimable) { 2781 if (zone->all_unreclaimable) {