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cgroup: add sparse annotation to cgroup_iter_start() and cgroup_iter_end()

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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>
This commit is contained in:
Kirill A. Shutemov 2011-12-27 07:46:26 +02:00 committed by Tejun Heo
parent 1c6c3fad81
commit c6ca57500c
1 changed files with 2 additions and 0 deletions
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2
kernel/cgroup.c
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@ -2825,6 +2825,7 @@ static void cgroup_enable_task_cg_lists(void)
} }
void cgroup_iter_start(struct cgroup *cgrp, struct cgroup_iter *it) 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, * 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) void cgroup_iter_end(struct cgroup *cgrp, struct cgroup_iter *it)
__releases(css_set_lock)
{ {
read_unlock(&css_set_lock); read_unlock(&css_set_lock);
} }