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

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Message-ID: <ccf71cb7-3a12-0bf4-ad79-b235f6df94c6@huawei.com>
Date:   Fri, 20 Jan 2017 17:52:13 +0800
From:   Yisheng Xie <xieyisheng1@...wei.com>
To:     Naoya Horiguchi <n-horiguchi@...jp.nec.com>
CC:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mhocko@...e.com" <mhocko@...e.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "minchan@...nel.org" <minchan@...nel.org>,
        "vbabka@...e.cz" <vbabka@...e.cz>,
        "guohanjun@...wei.com" <guohanjun@...wei.com>,
        "qiuxishi@...wei.com" <qiuxishi@...wei.com>
Subject: Re: [RFC] HWPOISON: soft offlining for non-lru movable page

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@...wei.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.

Thanks
Yisheng Xie.

>