Re: [PATCH] cgroup: restore the call to eventfd->poll()

From: Tejun Heo
Date: Fri Apr 26 2013 - 15:00:38 EST

On Fri, Apr 26, 2013 at 10:54:52AM +0800, Li Zefan wrote:
> I mistakenly removed the call to eventfd->poll() while I was actually
> intending to remove the return value...
> Calling evenfd->poll() will hook cgroup_event_wake() to the poll
> waitqueue, which will be called to unregister eventfd when rmdir a
> cgroup or close eventfd.
> Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>

Applied to cgroup/for-3.10. It'd have been better if the patch
description pointed to the specific commit which caused the problem.


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