[PATCH] vm: kswapd cleanup: use pgdat

Use the pgdat pointer we've already defined in wakeup_kswapd

Signed-off-by: Con Kolivas <kernel@kolivas.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a740778f688d..0ea71e887bb6 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1258,9 +1258,9 @@ void wakeup_kswapd(struct zone *zone, int order)
                 pgdat->kswapd_max_order = order;
         if (!cpuset_zone_allowed(zone, __GFP_HARDWALL))
                 return;
-        if (!waitqueue_active(&zone->zone_pgdat->kswapd_wait))
+        if (!waitqueue_active(&pgdat->kswapd_wait))
                 return;
-        wake_up_interruptible(&zone->zone_pgdat->kswapd_wait);
+        wake_up_interruptible(&pgdat->kswapd_wait);
 }
 
 #ifdef CONFIG_PM