This is a note to let you know that I've just added the patch titled
cpuset: fix the return value of cpuset_write_u64()
to the 3.10-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:
cpuset-fix-the-return-value-of-cpuset_write_u64.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From a903f0865a190f8778c73df1a810ea6e25e5d7cf Mon Sep 17 00:00:00 2001
From: Li Zefan <[email protected]>
Date: Tue, 13 Aug 2013 10:05:59 +0800
Subject: cpuset: fix the return value of cpuset_write_u64()
From: Li Zefan <[email protected]>
commit a903f0865a190f8778c73df1a810ea6e25e5d7cf upstream.
Writing to this file always returns -ENODEV:
# echo 1 > cpuset.memory_pressure_enabled
-bash: echo: write error: No such device
Signed-off-by: Li Zefan <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
kernel/cpuset.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1502,11 +1502,13 @@ static int cpuset_write_u64(struct cgrou
{
struct cpuset *cs = cgroup_cs(cgrp);
cpuset_filetype_t type = cft->private;
- int retval = -ENODEV;
+ int retval = 0;
mutex_lock(&cpuset_mutex);
- if (!is_cpuset_online(cs))
+ if (!is_cpuset_online(cs)) {
+ retval = -ENODEV;
goto out_unlock;
+ }
switch (type) {
case FILE_CPU_EXCLUSIVE:
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/cpuset-fix-the-return-value-of-cpuset_write_u64.patch
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