From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from xmbghk7.mail.qq.com (xmbghk7.mail.qq.com [43.163.128.44]) (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 0FDFF2BE63A; Thu, 13 Nov 2025 08:27:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=43.163.128.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763022433; cv=none; b=Sx0EkyVywuEJtHx/G7JOiId5nCA9ROgCFeckVz6mFkS3zjvjdtrJlw4Tq7qPWmd3/wPEMRheGnAjytLNqKswJjWoynewMvEOrPBadUFP92DkkjLIbsVQ/x9K/TIO/GbvUoK9V2QVc0I6FnMPHq09zruL0nhBb0T0S/qklDQkivc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763022433; c=relaxed/simple; bh=AVF40JvW0rvtlK/7YsGxBBkoai1eJAeOfCxgFSzmMNs=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=EK/Y4fDB8zQALlEZnAOyn1EARJXwSB1JlSfgAc2ZSL+O4YtXRlFc2xX1ioHWoHpBEpybgHD8RnL39zsmuqTbdkljzawohRp52cplBvUK0y2dylwkXB/QTAbEPmJAA891d07Vje3RkraB5JBgTEbo6Ej095dmhqNRK4PKSbxU2Y8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foxmail.com; spf=pass smtp.mailfrom=foxmail.com; dkim=pass (1024-bit key) header.d=foxmail.com header.i=@foxmail.com header.b=v9AoO4/x; arc=none smtp.client-ip=43.163.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foxmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foxmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=foxmail.com header.i=@foxmail.com header.b="v9AoO4/x" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1763022428; bh=AVF40JvW0rvtlK/7YsGxBBkoai1eJAeOfCxgFSzmMNs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=v9AoO4/xhdatZfIAkcpeqA/C2uwgWepWQ4qgXPvSr35mXwv5nFEed+zaue0uHrr3+ DAckeEzFlBbnRrjSLNHgALe1z6aaX7vJ3GQekJzYsS3M7cfRO+rtWacjhNaEO5IfRF VyPoK2fzb8lR/FAFwTO5D9822ABvID+ZIQ9Y9Jm0= Received: from meizu-Precision-3660.meizu.com ([14.21.33.152]) by newxmesmtplogicsvrszb20-1.qq.com (NewEsmtp) with SMTP id 6C5226F4; Thu, 13 Nov 2025 16:27:05 +0800 X-QQ-mid: xmsmtpt1763022425tw34gw48d Message-ID: X-QQ-XMAILINFO: ON4JYNczNu10K3dFLsf5HglgDmwpEuP5H8XoKG04IMwTQ8yCPpA2mifQWPpYrz o5qgq+eBwXEoSWwWT+yqgrKyYduVhCxX026WfrfLSzist5VcexfZAmplvA/rMWzw/ed4v86o0FVt BIskcAFTKuWZTnvpQTmvPrwsKtcKXSyZOvUcyujZ4CBbQHl0qLfLL2KpA4mx0ILjg7W0b13BZldy aE+7lX98uC7ukkgCGpMMmZoIXxsby/NNoqbskgPcYqHtzUEvDjRMN9LEZL13HZ99a828C+CJL6jw CuR/wjGznU1hlnVpQWA8Z81jHH8VKR6hNNHzQEQi0kghVnIHaTRtpt2tyZZTfJFtM65F8TNT9WqZ tEeq+3G5YjMfY+Tz068PsOh2eCSeUXue2WN6aGB9LpUTktA+odXphwQW47DCOGGT+QsUdklX/n7c F11pIEvY9ZSgPJFR1pAfMzn2YokID++F6k3mowS9xH75TVuvES7Oi+WMlM/ArB4GUHpPhRe21qUb 8IVEtcYTBbXGmgsVGoIF4MTbyVvWI3bwnHv/463GOPwqnL+fFo7c6JM5XFg01Kp2iBoGjqm28zot hpxPH6s8hu4IADxAXiGS4Z8I5yujdmOxoBXJV6LEc0t5WNI7N4gYGc9FW+WKs91X3tdhzRxt3ILN HqvG/AP+OSAK7qdeMA7g8p6TdePYbaB26Kdzu739HK3uzaSWG6L2SzEHINyX9+trG8IvQoeuTITx MrypEPn35jsS+jLUhE9StSv2l571etihy/onHzQAv7Uz7S9ScMITFezsmcGlpwmyfXlOQDxC3O7L nDpOW/FV1bqNHNXmItvHR/iyVN8U68lFFdiYxjlwYfpd23LwkKFuVsbPjrN7w7JLGnL84FEGHywd 5TDcBxXrQDgJcxjcyYCFOtRlVouNLW6XVdA73uQem/6d13C9/WJ0i5CPQ95MEsOlX3/nHMpc8Df6 VMYAoz2/aKv3rkvJnMk0Kw5AJ7uR5qsvM3i/GeAhIVRZwIIBve1zpmHSbkKt3Vg+xQtUx2AcaPUA oo8F8Bl/Znq5G0v3oS0xls21QS7OufUdGDN207iO6p6/UfGuE/K7Tyz9NiXL8SJGpyp+uzbw== X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= From: Yuwen Chen To: senozhatsky@chromium.org Cc: akpm@linux-foundation.org, axboe@kernel.dk, bgeffon@google.com, licayy@outlook.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, liumartin@google.com, minchan@kernel.org, richardycc@google.com, ywen.chen@foxmail.com Subject: Re: [PATCH v4] zram: Implement multi-page write-back Date: Thu, 13 Nov 2025 16:27:05 +0800 X-OQ-MSGID: <20251113082705.3325765-1-ywen.chen@foxmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On (25/11/12 21:40), Minchan Kim wrote: > My preference is [1], which is very close to how current post-processing > is implemented in zram, w/o complexity that dedicated kthread handling > introduces and so on. > [1] https://lore.kernel.org/linux-mm/45b418277c6ae613783b9ecc714c96313ceb841d.1763013260.git.senozhatsky@chromium.org Yes, I also agree with this. Introducing threads in writeback will increase the complexity.