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