[libvirt] [PATCH v1 1/6] cgroup: Add a flag VIR_CGROUP_DISABLE_CPUSET
Add a flag VIR_CGROUP_DISABLE_CPUSET to disable cgroup cpuset.
This flag inhibits making of directory under cpuset.
---
src/util/cgroup.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/util/cgroup.c b/src/util/cgroup.c
index 3f7b5f7..2f64f5d 100644
--- a/src/util/cgroup.c
+++ b/src/util/cgroup.c
@@ -72,6 +72,7 @@ typedef enum {
*/
VIR_CGROUP_VCPU = 1 << 1, /* create subdir only under the cgroup cpu,
* cpuacct and cpuset if possible. */
+ VIR_CGROUP_DISABLE_CPUSET = 1 << 2,
} virCgroupFlags;
/**
@@ -540,6 +541,12 @@ static int virCgroupMakeGroup(virCgroupPtr parent, virCgroupPtr
group,
if (!group->controllers[i].mountPoint)
continue;
+ if ((flags & VIR_CGROUP_DISABLE_CPUSET) &&
+ i == VIR_CGROUP_CONTROLLER_CPUSET) {
+ group->controllers[i].mountPoint = NULL;
+ continue;
+ }
+
/* We need to control cpu bandwidth for each vcpu now */
if ((flags & VIR_CGROUP_VCPU) &&
(i != VIR_CGROUP_CONTROLLER_CPU &&
--
1.7.11.7