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cpuset: remove cpuset_test_cpumask() 

The test is done in set_cpus_allowed_ptr(), so it's redundant.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Li Zefan 2013-06-05 17:15:48 +08:00 committed by Tejun Heo
parent 67bd2c5985
commit 249cc86db7
1 changed files with 1 additions and 18 deletions
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19
kernel/cpuset.c
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@ -783,23 +783,6 @@ void rebuild_sched_domains(void)
mutex_unlock(&cpuset_mutex); mutex_unlock(&cpuset_mutex);
} }
/**
* 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 * cpuset_change_cpumask - make a task's cpus_allowed the same as its cpuset's
* @tsk: task to test * @tsk: task to test
@ -835,7 +818,7 @@ static void update_tasks_cpumask(struct cpuset *cs, struct ptr_heap *heap)
struct cgroup_scanner scan; struct cgroup_scanner scan;
scan.cg = cs->css.cgroup; scan.cg = cs->css.cgroup;
scan.test_task = cpuset_test_cpumask; scan.test_task = NULL;
scan.process_task = cpuset_change_cpumask; scan.process_task = cpuset_change_cpumask;
scan.heap = heap; scan.heap = heap;
cgroup_scan_tasks(&scan); cgroup_scan_tasks(&scan);