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[PATCH 4/5] cgroup: Export cgroup_is_descendant()

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  [PATCH 4/5] cgroup: Export cgroup_is_descendant() Jan Kara <jack@suse.cz> - 2016-01-07 16:30 +0100
    Re: [PATCH 4/5] cgroup: Export cgroup_is_descendant() Tejun Heo <tj@kernel.org> - 2016-01-08 19:20 +0100

#1303657 — [PATCH 4/5] cgroup: Export cgroup_is_descendant()

CFQ IO scheduler will use cgroup_is_descendant() to decide whether one
queue can preempt another once.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 kernel/cgroup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 470f6536b9e8..c4d74c10dfcb 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -483,6 +483,7 @@ bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor)
 	}
 	return false;
 }
+EXPORT_SYMBOL_GPL(cgroup_is_descendant);
 
 static int notify_on_release(const struct cgroup *cgrp)
 {
-- 
2.6.2

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#1304834

On Thu, Jan 07, 2016 at 04:28:15PM +0100, Jan Kara wrote:
> CFQ IO scheduler will use cgroup_is_descendant() to decide whether one
> queue can preempt another once.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>

Acked-by: Tejun Heo <tj@kernel.org>

If this patchset is gonna miss this merge window, I can apply this to
cgroup/for-4.5.  Please let me know which way would be more
convenient.

Thanks.

-- 
tejun

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