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Message-ID: <f92a05ac-6f9d-a152-fb4c-52bfb15bdffb@gmail.com>
Date: Fri, 8 Jun 2018 09:23:20 +0800
From: Jia He <hejianet@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Suzuki K Poulose <Suzuki.Poulose@....com>,
Andrea Arcangeli <aarcange@...hat.com>,
Minchan Kim <minchan@...nel.org>,
Claudio Imbrenda <imbrenda@...ux.vnet.ibm.com>,
Arvind Yadav <arvind.yadav.cs@...il.com>,
Mike Rapoport <rppt@...ux.vnet.ibm.com>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, jia.he@...-semitech.com,
Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in
rmap_walk_ksm
Hi Andrew
On 6/8/2018 6:13 AM, Andrew Morton Wrote:
> On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton <akpm@...ux-foundation.org> wrote:
>>>
>>> Jia, Andrew,
>>>
>>> What is the status of this patch ?
>>>
>>
>> I have it scheduled for 4.18-rc1, with a cc:stable for backporting.
>>
>> I'd normally put such a fix into 4.17-rcX but I'd like to give Hugh
>> time to review it and to generally give it a bit more time for review
>> and test.
>>
>> Have you tested it yourself?
>
> I'll take your silence as a no.
Sorry if you asked the previous question to me.
I've tested by myself in arm64 server (QDF2400,46 cpus,96G mem)
Without this patch, the WARN_ON is very easy for reproducing.
After this patch, I have run the same benchmarch for a whole day without any
WARN_ONs
Hope it helpful.
Cheers,
Jia
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