Hello, Linus.
This pull request contains one patch to fix the return value of
cpuset's cgroups interface function, which used to always return
-ENODEV for the writes on the "memory_pressure_enabled" file.
The fix is available in the following branch
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-3.11-fixes
for you to fetch changes up to a903f0865a190f8778c73df1a810ea6e25e5d7cf:
cpuset: fix the return value of cpuset_write_u64() (2013-08-13 10:54:40 -0400)
Thanks.
----------------------------------------------------------------
Li Zefan (1):
cpuset: fix the return value of cpuset_write_u64()
kernel/cpuset.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index e565778..010a008 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1608,11 +1608,13 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct
cftype *cft, u64 val)
{
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:
--
tejun
--
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