From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=115.124.30.118 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793107269; b=n4lRHV5eH4wcMfjVG4ejQ0aOSJvmBEX1mCWiw8azeHS58JKUzMYsXzx6Po9HI6tc11Ja 0NP0o6Aknvhw5wEm+/KV0rbweZnmD8+cGQgEM0zsfnO/jEEY9IlVf+csD6QTlesuQZGwm HPZ0QK9PaiT5Dgh5oLyGtv38IwKLvNF/xIq4MHbsdr+vsLXyqoFvk9egXropztW5O6FP8 xQ3XWx8M4UOold7ivrKasPUfto1FNxnOFTcTk+kDFbijBWpZ4VBzGAyoFtVmvK0ntTS2C Vukzifvk+Cy2Q9AZAaQ0hrekhsVluN/E7PsPoQ3wNaIdOy3HRb3ZaDrDGFF+2QOW0Yw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793107269; h=DMARC-Filter:DKIM-Signature:X-Alimail-AntiSpam:Received:Message-ID: Date:MIME-Version:User-Agent:Subject:To:Cc:References:From: In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=CuQkM5AxwZ9bvY/L5nF/RTWycJ4QV92AF8p0xtQA/Aw=; b=OorJ4fJfphCN3PrDT/Cu4IG7L2r8RomUMeGPNYzXQHtGjLqdbFFBBlekBtkYGhWbQ5XA Zqw4D7udXnCYhpIi1/95I91er5UNKFzYJjZZTWqvAJMm0jj3ul/C7MvsqRnT6ZbnlZCPS uHvdwZxMD6Dg9OmWn3Ms1tMGs8KR8M+uUPRLXlLz/voW7DGtAPw2WizvieH4+0Soc+F7H k4KB7yWB6aTRu6Ba79STu3dp4Fusk197LDXFEdlnFV8hhl49cxZ/KEGXWMtafuMNzx21e ArMluHQWTiSHe4G8tDrrqGBNKjsClqNE1XrDfC46xlIE6qtFZhkgAAWzt6gxZZrzh4A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=h5psblzd; arc=none smtp.remote-ip=115.124.30.118 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDF38606A326; Tue, 27 Oct 2026 13:21:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BDF38606A326 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=h5psblzd DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1793107259; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=CuQkM5AxwZ9bvY/L5nF/RTWycJ4QV92AF8p0xtQA/Aw=; b=h5psblzdWKDEY+uP9ryvZBr6xfptZI33+XJ8wGMoIAWOzzN38dkEUXysLNcn0+vFdEL6kF9FO0B0YJi/O0asbc4eMogN2GcRCZZoWz605xJa/wnpGe10iPSHARfwEgZV1HqQZraMZkdkCdF/qVfQCoOBDd9o63PV2y/KX4X0XLE= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R241e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037033178;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=35;SR=0;TI=SMTPD_---0XDe0LQe_1793107255; Received: from 30.74.144.191(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0XDe0LQe_1793107255 cluster:ay36) by smtp.aliyun-inc.com; Tue, 27 Oct 2026 21:20:56 +0800 Message-ID: Date: Tue, 27 Oct 2026 21:20:54 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 00/14] mm/shmem: various (urgent?) fixes To: "David Hildenbrand (Arm)" , Andrew Morton , Gregory Price , Zi Yan , Joshua Hahn , Rakie Kim , Ying Huang , Johannes Weiner , Vladimir Davydov , Michal Hocko , Hugh Dickins , Lukas Czerner , Carlos Maiolino , Christian Brauner , Jan Kara , Daniel Verkamp , Jeff Xu , Muchun Song , Oscar Salvador , David Stevens , "Matthew Wilcox (Oracle)" , William Kucharski , Chris Li , Kairui Song , Nhat Pham , Miaohe Lin , Naoya Horiguchi Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Chris Mason , stable@vger.kernel.org, Pedro Falcato , "Kiryl Shutsemau (Meta)" , Josef Bacik , Eva Kurchatova References: <20261027-fixes_shmem-v2-0-86a00952acb9@kernel.org> From: Baolin Wang In-Reply-To: <20261027-fixes_shmem-v2-0-86a00952acb9@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/27/26 9:03 PM, David Hildenbrand (Arm) wrote: > Hi, > > see v1 for details. TL;DR various fixes. > > I now rebased on top of mm-stable (thanks Zi!) and retested with > Gregory's tests (thanks!). Thanks everyone for the fast review! > > When sending this upstream there will be one conflict with the following > upstream commit: > > 737362c7012a ("fs: port ->set_acl() to pass const mnt_idmap") > > Which should get resolved through something like > > diff --git a/mm/shmem.c b/mm/shmem.c > --- a/mm/shmem.c > +++ b/mm/shmem.c > @@ > -static int shmem_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, > +static int shmem_set_acl(const struct mnt_idmap *idmap, struct dentry *dentry, > struct posix_acl *acl, int type) > > Signed-off-by: David Hildenbrand (Arm) > --- > Changes in v2: > - Rebased on mm-stable > - Fixup shmem_set_acl() compilation issue after rebase > - Dropped: "mm/shmem: avoid moving the truncation start backwards" > - Fixed up: "mm/shmem: stop retrying folios that cannot be split" > - In "hugetlbfs: enforce F_SEAL_EXEC in setattr", check for S_ISREG > - Smaller patch description fixups > - Picked up tags > - Link to v1: https://patch.msgid.link/20261026-fixes_shmem-v1-0-703206d5fa0c@kernel.org why drop this fix "mm/shmem: hold off eviction in shmem_writeout()" from v2? https://lore.kernel.org/all/20261026-fixes_shmem-v1-6-703206d5fa0c@kernel.org/#t