From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Nguyen Ngoc Thang <ngocthang2710.1999@gmail.com>,
Zi Yan <ziy@nvidia.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"Liam R . Howlett" <liam@infradead.org>,
Nico Pache <nico.pache@linux.dev>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Lance Yang <lance.yang@linux.dev>,
Usama Arif <usama.arif@linux.dev>,
Matthew Wilcox <willy@infradead.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Jan Kara <jack@suse.cz>,
Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH v2] khugepaged: hold invalidate_lock across collapse_file() readahead
Date: Tue, 15 Sep 2026 18:14:41 +0200 [thread overview]
Message-ID: <876d579c-6aea-432d-976d-f5f9078b5bf7@kernel.org> (raw)
In-Reply-To: <aqgnpAqG_OS7gTeX@kernel.org>
On 9/14/26 18:58, Mike Rapoport wrote:
> On Mon, Sep 14, 2026 at 04:19:11PM +0200, David Hildenbrand (Arm) wrote:
>>>
>>> See https://lore.kernel.org/linux-mm/aqbtfms0_2ULBIT7@gremlin/
>>>
>>> I am not really entirely happy with somebody who has sent a flurry of patches
>>> across disparate subsystems with no previous track record being in charge of a
>>> potentially backported fix.
>>>
>>> It's David's decision but I think this fix should be taken over by somebody
>>> else.
>>
>> IIUC, this patch might be responsible for random CI failures (Mike still
>> investigating).
>
> Checkout of this commit in mm-unstable [ 1be399d378b78 ("khugepaged: hold
> invalidate_lock across collapse_file() readahead") as of a few hours back ]
> 'khugepaged all:file $XFS_DIR' fails once in 20 or so runs on my machine.
>
> With this commit reverted, 400 iterations didn't fail.#
Okay, Andrew please drop it for now.
--
Cheers,
David
next prev parent reply other threads:[~2026-09-15 16:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-13 10:11 [PATCH] " Nguyen Ngoc Thang
2026-09-13 16:12 ` Lance Yang
2026-09-13 16:16 ` Lance Yang
2026-09-13 16:31 ` Zi Yan
2026-09-13 16:36 ` [PATCH v2] " Nguyen Ngoc Thang
2026-09-13 18:17 ` Andrew Morton
2026-09-13 18:48 ` Lorenzo Stoakes (ARM)
2026-09-13 18:49 ` Lorenzo Stoakes (ARM)
2026-09-14 14:19 ` David Hildenbrand (Arm)
2026-09-14 16:58 ` Mike Rapoport
2026-09-15 16:14 ` David Hildenbrand (Arm) [this message]
2026-09-13 22:34 ` Matthew Wilcox
2026-09-14 3:14 ` Baolin Wang
2026-09-13 18:43 ` [PATCH] " Lorenzo Stoakes (ARM)
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