cpuset: remove unused assignment to trialcs->partition_root_state

The trialcs->partition_root_state field is not used during the
configuration of 'cpuset.cpus' or 'cpuset.cpus.exclusive'. Therefore,
the assignment of values to this field can be safely removed.

Signed-off-by: Chen Ridong <chenridong@huawei.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 12012ce62777262f0f1c3d7b4db494408e39b3a2..bea7e6ef5d5d138e549b88dce487063a397327ad 100644 (file)
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2363,7 +2363,6 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
                 * trialcs->effective_xcpus is used as a temporary cpumask
                 * for checking validity of the partition root.
                 */
-               trialcs->partition_root_state = PRS_MEMBER;
                if (!cpumask_empty(trialcs->exclusive_cpus) || is_partition_valid(cs))
                        compute_effective_exclusive_cpumask(trialcs, NULL, cs);
        }
@@ -2497,7 +2496,6 @@ static int update_exclusive_cpumask(struct cpuset *cs, struct cpuset *trialcs,
                return 0;
 
        if (*buf) {
-               trialcs->partition_root_state = PRS_MEMBER;
                /*
                 * Reject the change if there is exclusive CPUs conflict with
                 * the siblings.