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authorTejun Heo <tj@kernel.org>2014-02-13 12:58:41 +0100
committerTejun Heo <tj@kernel.org>2014-02-13 12:58:41 +0100
commit924f0d9a2078f49ff331bb43196ec5afadc16b8f (patch)
tree6df0c9852c7b16c2f2eb69b04f90aacae9f95132 /kernel/sched
parentcgroup: move css_set_rwsem locking outside of cgroup_task_migrate() (diff)
downloadlinux-924f0d9a2078f49ff331bb43196ec5afadc16b8f.tar.xz
linux-924f0d9a2078f49ff331bb43196ec5afadc16b8f.zip
cgroup: drop @skip_css from cgroup_taskset_for_each()
If !NULL, @skip_css makes cgroup_taskset_for_each() skip the matching css. The intention of the interface is to make it easy to skip css's (cgroup_subsys_states) which already match the migration target; however, this is entirely unnecessary as migration taskset doesn't include tasks which are already in the target cgroup. Drop @skip_css from cgroup_taskset_for_each(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Daniel Borkmann <dborkman@redhat.com>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d4cfc5561830..ba386a06ab11 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7600,7 +7600,7 @@ static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css,
{
struct task_struct *task;
- cgroup_taskset_for_each(task, css, tset) {
+ cgroup_taskset_for_each(task, tset) {
#ifdef CONFIG_RT_GROUP_SCHED
if (!sched_rt_can_attach(css_tg(css), task))
return -EINVAL;
@@ -7618,7 +7618,7 @@ static void cpu_cgroup_attach(struct cgroup_subsys_state *css,
{
struct task_struct *task;
- cgroup_taskset_for_each(task, css, tset)
+ cgroup_taskset_for_each(task, tset)
sched_move_task(task);
}