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cgroup: cls: remove unnecessary task_cls_classid

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We can get classid through cgroup_subsys_state,
this is directviewing and effective.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gao feng 2013-10-08 11:05:20 +08:00 committed by David S. Miller
parent e1af5e445e
commit ff0bfad6a2
1 changed files with 2 additions and 2 deletions
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4
net/sched/cls_cgroup.c
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@ -72,11 +72,11 @@ static void cgrp_attach(struct cgroup_subsys_state *css,
struct cgroup_taskset *tset)
{
struct task_struct *p;
void *v;
struct cgroup_cls_state *cs = css_cls_state(css);
void *v = (void *)(unsigned long)cs->classid;
cgroup_taskset_for_each(p, css, tset) {
task_lock(p);
v = (void *)(unsigned long)task_cls_classid(p);
iterate_fd(p->files, 0, update_classid, v);
task_unlock(p);
}