netdev - [PATCH 1/2] cgroup: netprio: remove unnecessary task

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Message-Id: <1381201520-25938-1-git-send-email-gaofeng@cn.fujitsu.com>
Date:	Tue, 8 Oct 2013 11:05:19 +0800
From:	Gao feng <gaofeng@...fujitsu.com>
To:	netdev@...r.kernel.org, cgroups@...r.kernel.org
Cc:	jhs@...atatu.com, davem@...emloft.net, tj@...nel.org,
	nhorman@...driver.com, lizefan@...wei.com,
	daniel.wagner@...-carit.de, Gao feng <gaofeng@...fujitsu.com>
Subject: [PATCH 1/2] cgroup: netprio: remove unnecessary task_netprioidx

Since the tasks have been migrated to the cgroup,
there is no need to call task_netprioidx to get
task's cgroup id.

Signed-off-by: Gao feng <gaofeng@...fujitsu.com>
---
 net/core/netprio_cgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index d9cd627..9b7cf6c 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -222,11 +222,10 @@ static void net_prio_attach(struct cgroup_subsys_state *css,
 			    struct cgroup_taskset *tset)
 {
 	struct task_struct *p;
-	void *v;
+	void *v = (void *)(unsigned long)css->cgroup->id;
 
 	cgroup_taskset_for_each(p, css, tset) {
 		task_lock(p);
-		v = (void *)(unsigned long)task_netprioidx(p);
 		iterate_fd(p->files, 0, update_netprio, v);
 		task_unlock(p);
 	}
-- 
1.8.3.1

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