Re: Please revert 4fd466eb46a6 ("HWPOISON: add memory cgroup filter")

From: Tejun Heo
Date: Tue Jan 28 2014 - 16:56:44 EST


On Tue, Jan 28, 2014 at 10:53:17PM +0100, Andi Kleen wrote:
> On Tue, Jan 28, 2014 at 04:45:24PM -0500, Tejun Heo wrote:
> > Hello, Andi, Wu.
> >
> > Can you guys please revert 4fd466eb46a6 ("HWPOISON: add memory cgroup
> > filter"), which reaches into cgroup to extract the inode number and
> > uses that for filtering? Nobody outside cgroup proper should be
>
> Our test suite relies on it.

Hmmm? Ooh, I thought this just went in during this -rc1 window. This
was way back in 2009. I suppose cgroup should expose an interface to
query inode then. inos changing across remounts should be okay,
right?

Thanks.

--
tejun
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