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* [PATCH] ns_cgroup: remove unused spinlock
@ 2008-11-21  3:59 Li Zefan
  0 siblings, 0 replies; 2+ messages in thread
From: Li Zefan @ 2008-11-21  3:59 UTC (permalink / raw)
  To: Andrew Morton; +Cc: Paul Menage, Serge E. Hallyn, LKML, Linux Containers

I happened to find the spinlock in struct ns_cgroup is never
used.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
 kernel/ns_cgroup.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/ns_cgroup.c b/kernel/ns_cgroup.c
index 43c2111..78bc3fd 100644
--- a/kernel/ns_cgroup.c
+++ b/kernel/ns_cgroup.c
@@ -13,7 +13,6 @@
 
 struct ns_cgroup {
 	struct cgroup_subsys_state css;
-	spinlock_t lock;
 };
 
 struct cgroup_subsys ns_subsys;
@@ -84,7 +83,6 @@ static struct cgroup_subsys_state *ns_create(struct cgroup_subsys *ss,
 	ns_cgroup = kzalloc(sizeof(*ns_cgroup), GFP_KERNEL);
 	if (!ns_cgroup)
 		return ERR_PTR(-ENOMEM);
-	spin_lock_init(&ns_cgroup->lock);
 	return &ns_cgroup->css;
 }
 
-- 
1.5.4.rc3


^ permalink raw reply related	[flat|nested] 2+ messages in thread
* [PATCH] ns_cgroup: remove unused spinlock
@ 2008-11-21  3:59 Li Zefan
  0 siblings, 0 replies; 2+ messages in thread
From: Li Zefan @ 2008-11-21  3:59 UTC (permalink / raw)
  To: Andrew Morton; +Cc: Paul Menage, Linux Containers, LKML

I happened to find the spinlock in struct ns_cgroup is never
used.

Signed-off-by: Li Zefan <lizf-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
---
 kernel/ns_cgroup.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/ns_cgroup.c b/kernel/ns_cgroup.c
index 43c2111..78bc3fd 100644
--- a/kernel/ns_cgroup.c
+++ b/kernel/ns_cgroup.c
@@ -13,7 +13,6 @@
 
 struct ns_cgroup {
 	struct cgroup_subsys_state css;
-	spinlock_t lock;
 };
 
 struct cgroup_subsys ns_subsys;
@@ -84,7 +83,6 @@ static struct cgroup_subsys_state *ns_create(struct cgroup_subsys *ss,
 	ns_cgroup = kzalloc(sizeof(*ns_cgroup), GFP_KERNEL);
 	if (!ns_cgroup)
 		return ERR_PTR(-ENOMEM);
-	spin_lock_init(&ns_cgroup->lock);
 	return &ns_cgroup->css;
 }
 
-- 
1.5.4.rc3

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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