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authorWaiman Long <longman@redhat.com>2017-08-24 12:04:29 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-09-07 08:34:09 +0200
commited48d9230e303aaff037d60fd866088c114184e5 (patch)
tree88fae945b12d8d72c1e8447698fe072fa7ca8c94
parent15e94ec4ec2155cae1e0de64b5ea16277c21daf8 (diff)
cpuset: Fix incorrect memory_pressure control file mapping
commit 1c08c22c874ac88799cab1f78c40f46110274915 upstream. The memory_pressure control file was incorrectly set up without a private value (0, by default). As a result, this control file was treated like memory_migrate on read. By adding back the FILE_MEMORY_PRESSURE private value, the correct memory pressure value will be returned. Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: 7dbdb199d3bf ("cgroup: replace cftype->mode with CFTYPE_WORLD_WRITABLE") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--kernel/cpuset.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 8ccd66a97c8b..2924b6faa469 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1910,6 +1910,7 @@ static struct cftype files[] = {
{
.name = "memory_pressure",
.read_u64 = cpuset_read_u64,
+ .private = FILE_MEMORY_PRESSURE,
},
{