linux-kernel - Re: [PATCH 1/1] mm: protect xa split stuff under lruvec->lru

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Message-ID: <ZhxwIh2M8jr6IZaF@dread.disaster.area>
Date: Mon, 15 Apr 2024 10:09:06 +1000
From: Dave Chinner <david@...morbit.com>
To: Zhaoyang Huang <huangzhaoyang@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	"zhaoyang.huang" <zhaoyang.huang@...soc.com>,
	Alex Shi <alexs@...nel.org>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Hugh Dickins <hughd@...gle.com>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, steve.kang@...soc.com
Subject: Re: [PATCH 1/1] mm: protect xa split stuff under lruvec->lru_lock
 during migration

On Sat, Apr 13, 2024 at 10:01:27AM +0800, Zhaoyang Huang wrote:
> loop Dave, since he has ever helped set up an reproducer in
> https://lore.kernel.org/linux-mm/20221101071721.GV2703033@dread.disaster.area/
> @Dave Chinner , I would like to ask for your kindly help on if you can
> verify this patch on your environment if convenient. Thanks a lot.

I don't have the test environment from 18 months ago available any
more. Also, I haven't seen this problem since that specific test
environment tripped over the issue. Hence I don't have any way of
confirming that the problem is fixed, either, because first I'd have
to reproduce it...

-Dave.
-- 
Dave Chinner
david@...morbit.com