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>
This commit is contained in:
Gavin Shan 2012-10-08 16:29:27 -07:00 committed by Linus Torvalds
parent e0f3c3f78d
commit d5dc0ad928

View File

@ -3126,9 +3126,9 @@ int kswapd_run(int nid)
if (IS_ERR(pgdat->kswapd)) { if (IS_ERR(pgdat->kswapd)) {
/* failure at boot is fatal */ /* failure at boot is fatal */
BUG_ON(system_state == SYSTEM_BOOTING); BUG_ON(system_state == SYSTEM_BOOTING);
printk("Failed to start kswapd on node %d\n",nid);
pgdat->kswapd = NULL; pgdat->kswapd = NULL;
ret = -1; pr_err("Failed to start kswapd on node %d\n", nid);
ret = PTR_ERR(pgdat->kswapd);
} }
return ret; return ret;
} }