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From: Jia He <hejianet@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Suzuki K Poulose <Suzuki.Poulose@arm.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Minchan Kim <minchan@kernel.org>,
	Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>,
	Arvind Yadav <arvind.yadav.cs@gmail.com>,
	Mike Rapoport <rppt@linux.vnet.ibm.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	jia.he@hxt-semitech.com, Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm
Date: Fri, 8 Jun 2018 09:23:20 +0800	[thread overview]
Message-ID: <f92a05ac-6f9d-a152-fb4c-52bfb15bdffb@gmail.com> (raw)
In-Reply-To: <20180607151344.a22a1e7182a2142e6d24e4de@linux-foundation.org>

Hi Andrew

On 6/8/2018 6:13 AM, Andrew Morton Wrote:
> On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton <akpm@linux-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

  parent reply	other threads:[~2018-06-08  1:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-03  8:34 [PATCH] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm Jia He
2018-05-03 10:44 ` Claudio Imbrenda
2018-05-03 13:23   ` Jia He
2018-05-04  3:11   ` [PATCH v2] " Jia He
2018-05-04  5:56     ` Jia He
2018-05-09 23:31     ` Andrew Morton
2018-05-10  1:26       ` Jia He
2018-05-14  9:09         ` Suzuki K Poulose
2018-05-14  9:45       ` Suzuki K Poulose
2018-05-24  8:44         ` Suzuki K Poulose
2018-05-24  8:50           ` Jia He
2018-05-24  9:01             ` Suzuki K Poulose
2018-05-24  9:36               ` Jia He
2018-05-24 20:38           ` Andrew Morton
2018-06-07 22:13             ` Andrew Morton
2018-06-07 23:38               ` Andrea Arcangeli
2018-06-08  1:32                 ` Jia He
2018-06-08  1:23               ` Jia He [this message]
2018-06-08 11:08               ` Suzuki K Poulose
2018-05-03 13:41 ` [PATCH] " Michal Hocko

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