From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5AEBC18308A for ; Tue, 8 Oct 2024 09:27:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.132 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728379663; cv=none; b=lBNLRQCDeWkFtc5VjmEID3PxcfbcmDEQqz5qy+j5EzQ3pt0QTN285rkzIZFHBZr3/RWR9orrmTsh9Bki4cxt/JPyukQpD3MRYDY0Vy2O5d7gizi68EZM66zh4FQ//ii7+SRLXFEmD5UlByS3p276lN7EnXRJXkozf7ncJ8Zh1uI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728379663; c=relaxed/simple; bh=p10plJuEgBRn43/1IjluTWXxPZ06jKc1KbMaZObFujY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=VifWNPlDtDBaRDYaKMI8RfF6U38aIBJRMfmvYAAmnIZL02VvTQE7tVyNnJRuZkYOzRpMljoWi53igFiGIUzJk5nov4Q/h2sIzsZngm+wDkE7BG+i1/chaCHw5dIOP/FiixI0L0oElyEf57/R2T1wg/mWGvkua2HjW6tcXaN+9ok= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=pDK/3D3+; arc=none smtp.client-ip=115.124.30.132 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) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="pDK/3D3+" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1728379657; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=/V1bqGfYBWKphm35NQNKbsjHmj8s5sbkZdapKnJs62g=; b=pDK/3D3+uzTQvzeX05zFAx8upItPUwMi2BC4l/H0G2BWn4TaemzpXcnNGd1GUWr7LuCcLKEHoMKCAx7fFwbdebBsZWsYzUpw6LhdGgMCnCAMVKysVWoI87zy4J8t1GbMw+b6abWRxsT2C/Onv8s6orFo+6d0FyIpVPk2fiiq8g0= Received: from 30.74.144.159(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0WGd6wgf_1728379655) by smtp.aliyun-inc.com; Tue, 08 Oct 2024 17:27:36 +0800 Message-ID: Date: Tue, 8 Oct 2024 17:27:35 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/1] remove SWAP_MAP_SHMEM To: Nhat Pham , akpm@linux-foundation.org Cc: hannes@cmpxchg.org, yosryahmed@google.com, hughd@google.com, shakeel.butt@linux.dev, ryan.roberts@arm.com, ying.huang@intel.com, chrisl@kernel.org, david@redhat.com, kasong@tencent.com, willy@infradead.org, viro@zeniv.linux.org.uk, baohua@kernel.org, chengming.zhou@linux.dev, v-songbaohua@oppo.com, linux-mm@kvack.org, kernel-team@meta.com, linux-kernel@vger.kernel.org References: <20241002012042.2753174-1-nphamcs@gmail.com> From: Baolin Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 2024/10/2 09:22, Nhat Pham wrote: > On Tue, Oct 1, 2024 at 6:20 PM Nhat Pham wrote: >> >> Changelog: >> v2: >> * Fix a WARN in the shmem THP swap path. Thanks Baolin, Yosry, and Barry >> for the report and the discussion on how to solve it. > > Hi Baolin, could you run your stress program again on this version? > FWIW, I was able to trigger 64kb mTHP swap in shmem + no-fallback > swapout, so I think the issue is fixed. Sure. I'm just back from vacation, and will find some time this week to test it.