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cgroup: add sparse annotation to cgroup_iter_start() and cgroup_iter_end()
author
Kirill A. Shutemov
<kirill@shutemov.name>
Tue, 27 Dec 2011 05:46:26 +0000
(07:46 +0200)
committer
Tejun Heo
<tj@kernel.org>
Tue, 27 Dec 2011 16:51:47 +0000
(08:51 -0800)
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/cgroup.c
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diff --git
a/kernel/cgroup.c
b/kernel/cgroup.c
index
421557f
..
c6bd67b
100644
(file)
--- a/
kernel/cgroup.c
+++ b/
kernel/cgroup.c
@@
-2825,6
+2825,7
@@
static void cgroup_enable_task_cg_lists(void)
}
void cgroup_iter_start(struct cgroup *cgrp, struct cgroup_iter *it)
+ __acquires(css_set_lock)
{
/*
* The first time anyone tries to iterate across a cgroup,
@@
-2864,6
+2865,7
@@
struct task_struct *cgroup_iter_next(struct cgroup *cgrp,
}
void cgroup_iter_end(struct cgroup *cgrp, struct cgroup_iter *it)
+ __releases(css_set_lock)
{
read_unlock(&css_set_lock);
}