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Re: [RFC] HWPOISON: soft offlining for non-lru movable page

From Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Newsgroups linux.kernel
Subject Re: [RFC] HWPOISON: soft offlining for non-lru movable page
Date 2017-01-23 05:50 +0100
Message-ID <t2EJQ-1Od-23@gated-at.bofh.it> (permalink)
References <t0PJn-7Ew-1@gated-at.bofh.it> <t0Vc6-2mj-23@gated-at.bofh.it> <t1E9b-5CQ-9@gated-at.bofh.it>
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On Fri, Jan 20, 2017 at 05:52:13PM +0800, Yisheng Xie wrote:
> Hi Naoya,
> 
> On 2017/1/18 17:45, Naoya Horiguchi wrote:
> > On Wed, Jan 18, 2017 at 12:00:54PM +0800, Yisheng Xie wrote:
> >> This patch is to extends soft offlining framework to support
> >> non-lru page, which already support migration after
> >> commit bda807d44454 ("mm: migrate: support non-lru movable page
> >> migration")
> >>
> >> When memory corrected errors occur on a non-lru movable page,
> >> we can choose to stop using it by migrating data onto another
> >> page and disable the original (maybe half-broken) one.
> >>
> >> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
> > 
> > It looks OK in my quick glance. I'll do some testing more tomorrow.
> > 
> Thanks for reviewing.
> I have do some basic test like offline movable page and unpoison it.
> Do you have some test suit or test suggestion? So I can do some more
> test of it for double check? Very thanks for that.

I've tried soft offline on zram pages with your v2 patch, and it works fine.
I have no specific suggestion about other testcases.

Thanks,
Naoya Horiguchi

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Thread

[RFC] HWPOISON: soft offlining for non-lru movable page Yisheng Xie <xieyisheng1@huawei.com> - 2017-01-18 05:10 +0100
  Re: [RFC] HWPOISON: soft offlining for non-lru movable page Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> - 2017-01-18 11:00 +0100
    Re: [RFC] HWPOISON: soft offlining for non-lru movable page Yisheng Xie <xieyisheng1@huawei.com> - 2017-01-20 11:00 +0100
      Re: [RFC] HWPOISON: soft offlining for non-lru movable page Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> - 2017-01-23 05:50 +0100
  Re: [RFC] HWPOISON: soft offlining for non-lru movable page Michal Hocko <mhocko@kernel.org> - 2017-01-18 11:10 +0100
    Re: [RFC] HWPOISON: soft offlining for non-lru movable page Yisheng Xie <xieyisheng1@huawei.com> - 2017-01-19 02:30 +0100

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