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authorLi Zefan <lizefan@huawei.com>2013-06-05 17:15:48 +0800
committerTejun Heo <tj@kernel.org>2013-06-05 13:55:14 -0700
commit249cc86db7492dc8de1d2eddebc6bcc4ab2a8e9e (patch)
treebe40a0fccba259600d9b88b98b704b55f22cb42d /kernel
parent67bd2c59850de20d0ecdc8084cbbfe34e53b6804 (diff)
downloadop-kernel-dev-249cc86db7492dc8de1d2eddebc6bcc4ab2a8e9e.zip
op-kernel-dev-249cc86db7492dc8de1d2eddebc6bcc4ab2a8e9e.tar.gz
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cpuset.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index dbef832..51f8e1d 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -784,23 +784,6 @@ 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
@@ -835,7 +818,7 @@ 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);
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