From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Thu, 8 Dec 2011 04:41:48 +0000 (+1100)
Subject: vmscan: add task name to warn_scan_unevictable() messages
X-Git-Tag: next-20111212~1^2~147
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7200ddeb6eee5a5d04f5a67713fa0a3c304b53ac;p=karo-tx-linux.git

vmscan: add task name to warn_scan_unevictable() messages

If we need to know a usecase, caller program name is critical important.
Show it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
David Rientjes <rientjes@google.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 341ac3eb0361..7a9bc025f019 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3436,9 +3436,10 @@ void scan_mapping_unevictable_pages(struct address_space *mapping)
 static void warn_scan_unevictable_pages(void)
 {
 	printk_once(KERN_WARNING
-		    "The scan_unevictable_pages sysctl/node-interface has been "
+		    "%s: The scan_unevictable_pages sysctl/node-interface has been "
 		    "disabled for lack of a legitimate use case.  If you have "
-		    "one, please send an email to linux-mm@kvack.org.\n");
+		    "one, please send an email to linux-mm@kvack.org.\n",
+		    current->comm);
 }
 
 /*