From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2117C636ED for ; Wed, 28 Aug 2024 17:24:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6750B6B0082; Wed, 28 Aug 2024 13:24:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 625036B0083; Wed, 28 Aug 2024 13:24:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5133D6B0085; Wed, 28 Aug 2024 13:24:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 353186B0082 for ; Wed, 28 Aug 2024 13:24:00 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id DBE5AA044C for ; Wed, 28 Aug 2024 17:23:59 +0000 (UTC) X-FDA: 82502326998.21.BCC6080 Received: from mail-vs1-f50.google.com (mail-vs1-f50.google.com [209.85.217.50]) by imf09.hostedemail.com (Postfix) with ESMTP id 02ACE140023 for ; Wed, 28 Aug 2024 17:23:57 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=jFHq50cJ; spf=pass (imf09.hostedemail.com: domain of nphamcs@gmail.com designates 209.85.217.50 as permitted sender) smtp.mailfrom=nphamcs@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1724865793; a=rsa-sha256; cv=none; b=2huN7jjqcRwXpu6KtdNVnhUAyg6T08bsgz0Xt7TmgiYQ6c88WYOcXsb+5tnkv+gR5zdln3 o7a6Hr2E/3WtUZVMhaz5stmJw6XrZgUUgJJM/6l9iSG4h+oxK5AAXXaefPIshh6tKGZN0B LivHOQ+/zXXcwmlhHJHBhi4IthVF+Us= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=jFHq50cJ; spf=pass (imf09.hostedemail.com: domain of nphamcs@gmail.com designates 209.85.217.50 as permitted sender) smtp.mailfrom=nphamcs@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1724865793; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=/M316tAWTLKcKxE7gxJM5T7FJXnafUqOPqYP3sEf3u4=; b=eJn4G6Sy6uYufXRCLc6O0tJmO3r5ny1OdtSO6I9Y3H/4wWQaWttyhNBn0TtnYBEyxotxfo getAUmjYjkC7xO/d7m6jIKaNOIwhjBv7ZQBCz5HtBX69oIXbFbt+hDx5OhdwHjkwu1T7YS XQZkAGiRcYlO2n6R3TndUu/n2hDZvWY= Received: by mail-vs1-f50.google.com with SMTP id ada2fe7eead31-498d14b9b8cso2371732137.3 for ; Wed, 28 Aug 2024 10:23:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724865837; x=1725470637; darn=kvack.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=/M316tAWTLKcKxE7gxJM5T7FJXnafUqOPqYP3sEf3u4=; b=jFHq50cJ9/fradQEDRGAZunQHzNSse2/IzKe8DmRvbDBCMxKDz4C4swv+2oTlwSksC Ru7Q6x+r/b/c3AAEjg5DxSZYwucBTikyZR/g5vC4EcTTe450mQxjZXEZYpNGwjBuBexg N3yOdtkWjXD8kSZzlXEJqD7QyfzUpcGGO2YLGo4duNHva52bGLYAvQ0wYIl/1LZG5Pl7 XYTFqZSGk/kB0wr/RNBLIcHyCZigKLyifcpfo7bQT4pMyABwhpoxn/2IbCdIbPLs0MUL oipo4Obd+HUY/AKBoGpzAiEmJganZ9FxUDWHp1PmlTi4ILO6PYRTqDi4eWNbBa7TUwQo wj/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724865837; x=1725470637; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/M316tAWTLKcKxE7gxJM5T7FJXnafUqOPqYP3sEf3u4=; b=VAl4UmIwIj10i2P2HEpnDglnOnF86Fl+4yrqmu2tqa7JbvRsq2iRIhQD6NSwiHKmDw /RWYjlhlYdz1T8JMBb0h5pOA++jPCOCmupRijxnDl7g6n2x7lk357uqJlu1jvFSOusHb pjPHYbmIvl/dDKFGmeoOH9NFwqGQfIsBROhWGUuDUoG1MT3/+6sgfwBnRVsd4cSUuDky cEVjmJPtlHaO3wfYRX1hObcIfTiJpRwbZGPL3veoVo/5T0uZICFY9zGyIrokP/oHUXuw ITsio/EkC+NDDrTN5qqEU47NA0z1zjk3Zz921fnOhnCJlbOFa9mLliJZoG1OAO83IHLj a0hw== X-Forwarded-Encrypted: i=1; AJvYcCWjpRNcLW3xGJIK4XNqdtg3/yL8y6Ol8Bx6i+dCNFIOYcx6t92smNZpkSB/Tp4VPmq3ob/P3205kQ==@kvack.org X-Gm-Message-State: AOJu0YxzGFrZWnHcJ43zeTptQxDQCqis09ULXvVxxh3WysF54pFgMP1u n+zTn1hDXWx45/FdD9NHVpvh6QbPo5nEkJ9X35Zkw8GcSdo040VfVn9ASx3e6La2ybqAE8eA8kH t1CrXQcHou+VrczUg+87uBVy7G3k= X-Google-Smtp-Source: AGHT+IFgrfqwlg2sNamhGIavdxFzUnrCz3NMulWTE2Rwj3zxNY2vmAYPjEuz/Pt11KGDI28TK6MHbmwHcmItqFV/Mxo= X-Received: by 2002:a05:6102:f13:b0:498:efe0:f91d with SMTP id ada2fe7eead31-49a5af35ce0mr576842137.19.1724865836918; Wed, 28 Aug 2024 10:23:56 -0700 (PDT) MIME-Version: 1.0 References: <20240828093516.30228-1-kanchana.p.sridhar@intel.com> In-Reply-To: From: Nhat Pham Date: Wed, 28 Aug 2024 10:23:46 -0700 Message-ID: Subject: Re: [PATCH v5 0/3] mm: ZSWAP swap-out of mTHP folios To: Kanchana P Sridhar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, hannes@cmpxchg.org, yosryahmed@google.com, ryan.roberts@arm.com, ying.huang@intel.com, 21cnbao@gmail.com, akpm@linux-foundation.org, nanhai.zou@intel.com, wajdi.k.feghali@intel.com, vinodh.gopal@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: d87u5ed9nhosd71pbbf6gfsyciykabd5 X-Rspamd-Queue-Id: 02ACE140023 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1724865837-434654 X-HE-Meta: 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 RzyPjEF3 IodAxMH3U/y6FFR+j2+ghJi5fjyAGydFd1k7novx1nq0/SF/YvL2GFNjaZfrFSsNzcsJmjVB5t1ERu3wou5xxd7IoIpeFfOTWI775gw/hJ4pj+RNSOWY6oWYwHJpJOvlYtVs7XyAolbhYBkJcSogqx/JfQa3DwdRuIheqX4ZCEjPL/McV2JvblH/6LFJTmajbMkVyUaGDEkOy7lyGbw0KJPB7f709O2KD8P8fFQLOO1XKrt35hExJeJ1Ktd0Ny0oM5v2B5LRyYCyTM1SpYlJMKZYX2yiB1HJxJRIzWu59qQaWA+z2sx2BkKt2YXCROlVjt5JuUH+TdLrTIKtrCOfUa/yGWA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.247304, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Aug 28, 2024 at 8:55=E2=80=AFAM Nhat Pham wrote= : > > better by definition... I wonder if lowering the memory limit even > further would show positive numbers? Or ... perhaps with a workload that has less cold data? or using the zswap shrinker to off load some of these cold objects to swap? Food for thought :)