Subject: + lib-show_memc-show-num_poisoned_pages-when-oom.patch added to -mm tree
To: qiuxishi@xxxxxxxxxx,kosaki.motohiro@xxxxxxxxxxxxxx,liwanp@xxxxxxxxxxxxxxxxxx,mhocko@xxxxxxx,n-horiguchi@xxxxxxxxxxxxx,rientjes@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 10 Dec 2013 13:42:26 -0800
The patch titled
Subject: lib/show_mem.c: show num_poisoned_pages when oom
has been added to the -mm tree. Its filename is
lib-show_memc-show-num_poisoned_pages-when-oom.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-show_memc-show-num_poisoned_pages-when-oom.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-show_memc-show-num_poisoned_pages-when-oom.patch
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------------------------------------------------------
From: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Subject: lib/show_mem.c: show num_poisoned_pages when oom
Show num_poisoned_pages when oom, it is a little helpful to find the
reason. Also it will be emitted anytime show_mem() is called.
Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Suggested-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/show_mem.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN lib/show_mem.c~lib-show_memc-show-num_poisoned_pages-when-oom lib/show_mem.c
--- a/lib/show_mem.c~lib-show_memc-show-num_poisoned_pages-when-oom
+++ a/lib/show_mem.c
@@ -43,4 +43,7 @@ void show_mem(unsigned int filter)
printk("%lu pages in pagetable cache\n",
quicklist_total_size());
#endif
+#ifdef CONFIG_MEMORY_FAILURE
+ printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
+#endif
}
_
Patches currently in -mm which might be from qiuxishi@xxxxxxxxxx are
lib-show_memc-show-num_poisoned_pages-when-oom.patch
linux-next.patch
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