Re: [PATCH] [23/31] HWPOISON: add memory cgroup filter

[Andi Kleen]

Wu Fengguang <fengguang.wu@xxxxxxxxx> writes:
>
> We could keep an fd open on the desired cgroup, in user space: 
>
>         #!/bin/bash
>
>         mkdir /cgroup/hwpoison && \
>         exec 9<>/cgroup/hwpoison/tasks || exit 1
>
> A bit simpler than an in-kernel fget_light() or CSS refcount :)

FYI, I decided to not do any of this in .33, but just keep the 
ugly-but-working inode hack. We can look at fixing that for .34.
These interfaces are debugfs, so can be changed.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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