This is a note to let you know that I've just added the patch titled
memcg: remove extra newlines from memcg oom kill log
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
memcg-remove-extra-newlines-from-memcg-oom-kill-log.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0346dadbf041a2606bcb5bd27828b0d105897f4a Mon Sep 17 00:00:00 2001
From: Greg Thelen <gthelen@xxxxxxxxxx>
Date: Mon, 26 Jan 2015 12:58:38 -0800
Subject: memcg: remove extra newlines from memcg oom kill log
From: Greg Thelen <gthelen@xxxxxxxxxx>
commit 0346dadbf041a2606bcb5bd27828b0d105897f4a upstream.
Commit e61734c55c24 ("cgroup: remove cgroup->name") added two extra
newlines to memcg oom kill log messages. This makes dmesg hard to read
and parse. The issue affects 3.15+.
Example:
Task in /t <<< extra #1
killed as a result of limit of /t
<<< extra #2
memory: usage 102400kB, limit 102400kB, failcnt 274712
Remove the extra newlines from memcg oom kill messages, so the messages
look like:
Task in /t killed as a result of limit of /t
memory: usage 102400kB, limit 102400kB, failcnt 240649
Fixes: e61734c55c24 ("cgroup: remove cgroup->name")
Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1638,9 +1638,9 @@ void mem_cgroup_print_oom_info(struct me
pr_info("Task in ");
pr_cont_cgroup_path(task_cgroup(p, memory_cgrp_id));
- pr_info(" killed as a result of limit of ");
+ pr_cont(" killed as a result of limit of ");
pr_cont_cgroup_path(memcg->css.cgroup);
- pr_info("\n");
+ pr_cont("\n");
rcu_read_unlock();
Patches currently in stable-queue which might be from gthelen@xxxxxxxxxx are
queue-3.18/memcg-remove-extra-newlines-from-memcg-oom-kill-log.patch
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