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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 12:32:42 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 12:32:42 -0700
commit467a3ca5cab64a16b5ec46ebb1895c84c280dcfe (patch)
tree68096d5b17e884d270420d50e466186c73019830 /mm/vmscan.c
parent40c9f61eae9098212b6906f29f30f08f7a19b5e2 (diff)
parent84a1caf1453c3d44050bd22db958af4a7f99315c (diff)
Merge branch 'v3.6-rc7' into tty-next
This is to sync up on Linus's branch to get the other tty and core changes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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)