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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7420EC4167B for ; Mon, 27 Nov 2023 08:47:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232714AbjK0Irm (ORCPT ); Mon, 27 Nov 2023 03:47:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232689AbjK0Iri (ORCPT ); Mon, 27 Nov 2023 03:47:38 -0500 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 616C2111 for ; Mon, 27 Nov 2023 00:47:20 -0800 (PST) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-6cb4d366248so3140791b3a.0 for ; Mon, 27 Nov 2023 00:47:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1701074840; x=1701679640; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=4Sa2C6hevcNV6Dl9tqszGj9RDMXGfLvCPyO01ufsuBI=; b=JND3ABHDgBkwTUWF5DQtbJVmSbNTnn55JCPvGhAzRLQFzBkgMZ32hewuUkgo02Eg/D r5+WurFnSQTYhS0/hoGe9SMkBjMU8YWdT1H4GLfXIXhlwkeEub9etLROw3qr9cowRiQM us7hy/XpRYdQSFH3WlFIYmK+Cj4Im8v8ZyynbspivgwSgLmjEJPex0yMZcTGQ9fbru37 MfeZwI3tREcOW4Wds+PkT3TUNlrynYt2MnyeDorhdHE1b3kvu9IDS5SzEmoy25MxWMoX f4Ii6fJeUqtu4RvZrUFrJXjL72EzA+5SNxiWQvr3v4A4ZCyfBDTqUa9x6sg7sbMLnqUB SLsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701074840; x=1701679640; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=4Sa2C6hevcNV6Dl9tqszGj9RDMXGfLvCPyO01ufsuBI=; b=jT4wdx6KAofiguLxfXKXVDL2VAJ2hQnuPCQ33lcVO2uQVxXado1/F3tGf8YOwImubU RCba3vDdsDx0ixS5Mvr384WCT0xdTjXsOzU7wdopu034K1O+RCsJex/Srx8SgYKM9Mmy 39g3jOzMnQelAnNjypzuUFQ3WPk0caEmiFSOtaeKm8zEHu+kbRuskL0xs9Z1XAQSRF1q z2vdErt3whWrJhLFyh0YUc5An0Yx/PhfHl4Dax+jPU95duNzFGmHVpOlip48hZ+juUGX Ty7ysk9y0lzysd0mHPk9eRha0MJyI94EH1hHZAYMqALPbq1FGPnAlF4kg487zsVGrJZ0 8xfQ== X-Gm-Message-State: AOJu0Yw8MSQiyBN7Pau7D5RqQusLeQYI/iMpLJmNHOnqCcXKcEWoJEgR xjnBkYGAx+gB6rOmEsUzdSRmxQ== X-Google-Smtp-Source: AGHT+IER+3HNPer8f2/FkqltCg3CtQYI9QGod+kfV5wUzf12yUTb24cfgQOsNCWRWoRfTCI5RE1deA== X-Received: by 2002:a05:6a00:1f0a:b0:6cb:63cb:83c0 with SMTP id be10-20020a056a001f0a00b006cb63cb83c0mr11865332pfb.29.1701074839860; Mon, 27 Nov 2023 00:47:19 -0800 (PST) Received: from PXLDJ45XCM.bytedance.net ([139.177.225.230]) by smtp.gmail.com with ESMTPSA id e22-20020aa78c56000000b006c875abecbcsm6686932pfd.121.2023.11.27.00.47.16 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 27 Nov 2023 00:47:19 -0800 (PST) From: Muchun Song To: mike.kravetz@oracle.com, muchun.song@linux.dev, akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song Subject: [PATCH 0/4] Code simplification and clean-up for hugetlb vmemmap Date: Mon, 27 Nov 2023 16:46:41 +0800 Message-Id: <20231127084645.27017-1-songmuchun@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-145) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series aims to simplify and clean the code of hugetlb vmemmap, please look at the commit message of each individual patch for more details. Thanks. Muchun Song (4): mm: pagewalk: assert write mmap lock only for walking the user page tables mm: hugetlb_vmemmap: use walk_page_range_novma() to simplify the code mm: hugetlb_vmemmap: move PageVmemmapSelfHosted() check to split_vmemmap_huge_pmd() mm: hugetlb_vmemmap: convert page to folio mm/hugetlb_vmemmap.c | 259 ++++++++++++++----------------------------- mm/pagewalk.c | 29 ++++- 2 files changed, 111 insertions(+), 177 deletions(-) -- 2.20.1