mm: vmscan: set zone flags before blocking

[deliverable/linux.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5b1a79c8f0cb605d4b965d0307d40f5f23d58a23..5f80d018bffaf162c3f74a933501161e8430e72f 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1445,8 +1445,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
         */
        if (nr_writeback && nr_writeback >=
                        (nr_taken >> (DEF_PRIORITY - sc->priority))) {
-               wait_iff_congested(zone, BLK_RW_ASYNC, HZ/10);
                zone_set_flag(zone, ZONE_WRITEBACK);
+               wait_iff_congested(zone, BLK_RW_ASYNC, HZ/10);
        }
 
        /*