[PATCH] vmscan: add task name to warn_scan_unevictable() messages

[KOSAKI Motohiro]

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

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
---
 mm/vmscan.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a1893c0..29d163e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3448,9 +3448,10 @@ 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@xxxxxxxxxx\n");
+		    "one, please send an email to linux-mm@xxxxxxxxxx\n",
+		    current->comm);
 }
 
 /*
-- 
1.7.1

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