From: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>
Date: Thu, 18 Apr 2013 22:23:27 +0900
Subject: [PATCH 3.8-stable] mm/vmscan: fix error return in kswapd_run()
This patch looks like it should be in the 3.8-stable tree, should we apply
it?
------------------
From: "Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>"
commit d5dc0ad928fb9e972001e552597fd0b794863f34 upstream
Fix the error return value in kswapd_run(). The bug was introduced by
commit d5dc0ad928fb ("mm/vmscan: fix error number for failed kthread").
Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Reported-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 196709f..8226b41 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3158,9 +3158,9 @@ int kswapd_run(int nid)
if (IS_ERR(pgdat->kswapd)) {
/* failure at boot is fatal */
BUG_ON(system_state == SYSTEM_BOOTING);
- pgdat->kswapd = NULL;
pr_err("Failed to start kswapd on node %d\n", nid);
ret = PTR_ERR(pgdat->kswapd);
+ pgdat->kswapd = NULL;
}
return ret;
}
--
1.7.10.4
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