The test is done in set_cpus_allowed_ptr(), so it's redundant.
Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>
---
kernel/cpuset.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 66302a9..8b0e433 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -783,23 +783,6 @@ void rebuild_sched_domains(void)
}
/**
- * cpuset_test_cpumask - test a task's cpus_allowed versus its cpuset's
- * @tsk: task to test
- * @scan: struct cgroup_scanner contained in its struct cpuset_hotplug_scanner
- *
- * Call with cpuset_mutex held. May take callback_mutex during call.
- * Called for each task in a cgroup by cgroup_scan_tasks().
- * Return nonzero if this tasks's cpus_allowed mask should be changed (in other
- * words, if its mask is not equal to its cpuset's mask).
- */
-static int cpuset_test_cpumask(struct task_struct *tsk,
- struct cgroup_scanner *scan)
-{
- return !cpumask_equal(&tsk->cpus_allowed,
- (cgroup_cs(scan->cg))->cpus_allowed);
-}
-
-/**
* cpuset_change_cpumask - make a task's cpus_allowed the same as its cpuset's
* @tsk: task to test
* @scan: struct cgroup_scanner containing the cgroup of the task
@@ -834,7 +817,7 @@ static void update_tasks_cpumask(struct cpuset *cs, struct ptr_heap *heap)
struct cgroup_scanner scan;
scan.cg = cs->css.cgroup;
- scan.test_task = cpuset_test_cpumask;
+ scan.test_task = NULL;
scan.process_task = cpuset_change_cpumask;
scan.heap = heap;
cgroup_scan_tasks(&scan);
--
1.8.0.2
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