lkml.org 
[lkml]   [2009]   [May]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 19/19] TuxOnIce: Don't try to wake kswapd if the freezer is on.
Date
If a process gets into wakeup_kswapd while other processes are frozen,
we don't want it to actually wake kswapd (memory pressure may be caused
by TuxOnIce trying to free memory).

Signed-off-by: Nigel Cunningham <nigel@tuxonice.net>
---
mm/vmscan.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5fa3eda..ae44189 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2034,6 +2034,9 @@ void wakeup_kswapd(struct zone *zone, int order)
if (!populated_zone(zone))
return;

+ if (freezer_is_on())
+ return;
+
pgdat = zone->zone_pgdat;
if (zone_watermark_ok(zone, order, zone->pages_low, 0, 0))
return;
--
1.5.6.3


\
 
 \ /
  Last update: 2009-05-06 16:53    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site