summaryrefslogtreecommitdiffstats
path: root/mm/vmscan.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-07-21 23:07:33 +0200
committerArnd Bergmann <arnd@arndb.de>2012-07-21 23:07:33 +0200
commit608f593b1313080301b76875487af6da508f67a1 (patch)
treeb775454cd4d1d380134c2d91ff79d0375987dc64 /mm/vmscan.c
parenta1acbbf4adcd346f12fc567143eac90ef33f29b0 (diff)
parent84a1caf1453c3d44050bd22db958af4a7f99315c (diff)
Merge tag 'v3.5-rc7' into next/boards
Linux 3.5-rc7 Prerequisite for samsung/board3 branch. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index eeb3bc9d1d3..661576324c7 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2955,14 +2955,17 @@ int kswapd_run(int nid)
}
/*
- * Called by memory hotplug when all memory in a node is offlined.
+ * Called by memory hotplug when all memory in a node is offlined. Caller must
+ * hold lock_memory_hotplug().
*/
void kswapd_stop(int nid)
{
struct task_struct *kswapd = NODE_DATA(nid)->kswapd;
- if (kswapd)
+ if (kswapd) {
kthread_stop(kswapd);
+ NODE_DATA(nid)->kswapd = NULL;
+ }
}
static int __init kswapd_init(void)