From d5dc0ad928fb9e972001e552597fd0b794863f34 Mon Sep 17 00:00:00 2001
From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Mon, 8 Oct 2012 16:29:27 -0700
Subject: [PATCH] mm/vmscan: fix error number for failed kthread
Fix the return value while failing to create the kswapd kernel thread.
Also, the error message is prioritized as KERN_ERR.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/vmscan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f6fdae7a8d4c0..d16bf5a532661 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3126,9 +3126,9 @@ int kswapd_run(int nid)
if (IS_ERR(pgdat->kswapd)) {
/* failure at boot is fatal */
BUG_ON(system_state == SYSTEM_BOOTING);
- printk("Failed to start kswapd on node %d\n",nid);
pgdat->kswapd = NULL;
- ret = -1;
+ pr_err("Failed to start kswapd on node %d\n", nid);
+ ret = PTR_ERR(pgdat->kswapd);
}
return ret;
}
--
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