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 A1E0EEB64DC for ; Fri, 14 Jul 2023 16:47:44 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3379B90000E; Fri, 14 Jul 2023 12:47:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2E6EA900006; Fri, 14 Jul 2023 12:47:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1AE9790000E; Fri, 14 Jul 2023 12:47:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 0C621900006 for ; Fri, 14 Jul 2023 12:47:44 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id D0E091C80B0 for ; Fri, 14 Jul 2023 16:47:43 +0000 (UTC) X-FDA: 81010798806.20.E6FFEF1 Received: from mail-qt1-f181.google.com (mail-qt1-f181.google.com [209.85.160.181]) by imf09.hostedemail.com (Postfix) with ESMTP id 13F5F140023 for ; Fri, 14 Jul 2023 16:47:41 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=google.com header.s=20221208 header.b=X3mMrAb5; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf09.hostedemail.com: domain of yuzhao@google.com designates 209.85.160.181 as permitted sender) smtp.mailfrom=yuzhao@google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1689353262; 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=9QYU5LL8RJdkL7BFoOlbSKFeuoDzmVYj/8JTm9uv8m8=; b=s3PdpRZJnV7NBgUrpgdZE0zssEE3z0LxOYwaXYtLqd3np0xwC7qqK3NBTL3+k6uMbtcAPH 4n4D9uVJGkenBVnvxhBdactYiN4GBioJosEIS+QFBqfQylvzjADITTVwp+l6Pe8K4qV6zy T8p5USdm1Jd1noqodfuwM26EwnOy0o0= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=google.com header.s=20221208 header.b=X3mMrAb5; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf09.hostedemail.com: domain of yuzhao@google.com designates 209.85.160.181 as permitted sender) smtp.mailfrom=yuzhao@google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1689353262; a=rsa-sha256; cv=none; b=Jmzi8QplWy2e9fSTfCpqKHJO8iErdjx4O8l5TrIgY/hA4DhFqzLFQYDS/LfLX21Y7KZnht DPXRtSLtrn3In7Aqhi393nqoRuUBNavs1xrZe7xVudLzsco3ws2sVHR/7QhuQTMq6yXtP5 FVEXtS1OAypWCCuPOMqtMJZeRfsPX10= Received: by mail-qt1-f181.google.com with SMTP id d75a77b69052e-40371070eb7so2071cf.1 for ; Fri, 14 Jul 2023 09:47:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689353261; x=1691945261; 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=9QYU5LL8RJdkL7BFoOlbSKFeuoDzmVYj/8JTm9uv8m8=; b=X3mMrAb5dVNHXi17Np9apu56ox6VjgIKZ00SE3jwQlcIe3deuqboVajcZLIdu2jVag 0ZF17PAzpggHvA72ApLakmf/ftIEQmsfrkrPxZ0o1jRGlCoMkOXm68KkVOSjWso+PRVJ yfJIY4gfzsxpzqlevGaVLvV9dx4ZbiP5c6LXFHsBxJwLp6TrdRbaM7RGfo5chMvXeo7g zhjs+rQptZjIYkqYpg53eFx1yyy99dxvB3CCk/7GcEEFRFVGpwBQ+LPtNy+iOoTH1DFc uIN0iby1TxZ3dH5LpDpxCG89RGD9URqf6eB/lfdvfcRZDYI3n53ZYYsyBmf/RzWGZ24y FE+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689353261; x=1691945261; 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=9QYU5LL8RJdkL7BFoOlbSKFeuoDzmVYj/8JTm9uv8m8=; b=HLwl5qkw7a3a7o9j5ZhBg02suGMldcOzPXFFjygrQShoPBDzKA9Cz2+X1RZfrN1yoE AXSuSX7x15+zYQs+LpGw3dWhFUb/Kg6osymtp4A/QzLcaKhWResfRnNnL8v/6WgEnndU kflgoc+TyL9T/wAZLq9EphprdH0MkXp+/3J0tKfgrVSjui8HKFloSatIlzqQxW6KdbHo FxW68eHub3oh49pkL7GNKtYzTvCCbZJCatNr2k8DFm67/Ya5VhfxkXyghNSN3lwY3M7Z /eGyQjhKcz/buldS9JqAbyMzjDzZuz7ApBrw8wHdujP3iCbM5+zCDBeHvRCmKXnHFENz ZiDQ== X-Gm-Message-State: ABy/qLZUNvFdkAmeqMner9Sy9N3MKkWBpTm+/bC4+Jqd7daSyiBXDG9d wDNgpAlMt29q72fL8O0Q45GwDv6djWtgxSOstEsZbA== X-Google-Smtp-Source: APBJJlEeUaa71wKBwk+bfOPv+6l8wJuJT6Kr4Hh0GSDLWORC/ckCgpeescAjesgTFN/kWKaVfYYnZx7PWR5qJYkY+go= X-Received: by 2002:ac8:5b0b:0:b0:3ef:4319:c6c5 with SMTP id m11-20020ac85b0b000000b003ef4319c6c5mr887225qtw.19.1689353260931; Fri, 14 Jul 2023 09:47:40 -0700 (PDT) MIME-Version: 1.0 References: <20230714160407.4142030-1-ryan.roberts@arm.com> <20230714161733.4144503-4-ryan.roberts@arm.com> In-Reply-To: <20230714161733.4144503-4-ryan.roberts@arm.com> From: Yu Zhao Date: Fri, 14 Jul 2023 10:47:04 -0600 Message-ID: Subject: Re: [PATCH v3 4/4] arm64: mm: Override arch_wants_pte_order() To: Ryan Roberts Cc: Andrew Morton , Matthew Wilcox , "Kirill A. Shutemov" , Yin Fengwei , David Hildenbrand , Catalin Marinas , Will Deacon , Anshuman Khandual , Yang Shi , "Huang, Ying" , Zi Yan , Luis Chamberlain , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: 868nf8s5qztpte63z47d5h8ndjkn5g4b X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 13F5F140023 X-HE-Tag: 1689353261-936843 X-HE-Meta: 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 2lqdLROG a9DCnCqaZHh4m37QqbD+NNAhWz/bRbbqMYI4Aqy8YUnLpee5q2pZYKmGLOOaCE/wfYchOoKU+u6M3dBdbTjVZtWj/DOFipZV9n8QkNibLdgP43seqr0ybxll+S7YQK3yNHCYvqKgTVZAX0SXqQn3yz/W+pZOXSfqO3Jx6gnPEBYsS6Ysrg85bhJ4fqk3F3VfOHNnQFsLbPjqypONGamecEbGzZLMOhvel5n0GmutPSG+WYrAYdnoOPBv/Sr5y4Gvlgub7QzUnFsrFKKjAdMuaGUH1HuAWZ4BwIcK3Vg2pB8gxTNGgvPAfUj6YWwrp1kf+alUrQs9eYPBXBuAsjC7/CUCk75dX/J952wgeB5pfKMfgatU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jul 14, 2023 at 10:17=E2=80=AFAM Ryan Roberts wrote: > > Define an arch-specific override of arch_wants_pte_order() so that when > FLEXIBLE_THP is enabled, large folios will be allocated for anonymous > memory with an order that is compatible with arm64's contpte mappings. > > Signed-off-by: Ryan Roberts Reviewed-by: Yu Zhao