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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA692C433ED for ; Wed, 28 Apr 2021 03:09:15 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6C1A8613F7 for ; Wed, 28 Apr 2021 03:09:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C1A8613F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 09AAB6B006E; Tue, 27 Apr 2021 23:09:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 04B6C6B0070; Tue, 27 Apr 2021 23:09:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E7AFC6B0071; Tue, 27 Apr 2021 23:09:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0243.hostedemail.com [216.40.44.243]) by kanga.kvack.org (Postfix) with ESMTP id CD5A96B006E for ; Tue, 27 Apr 2021 23:09:14 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 8E1FB8249980 for ; Wed, 28 Apr 2021 03:09:14 +0000 (UTC) X-FDA: 78080294628.07.7D02909 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf01.hostedemail.com (Postfix) with ESMTP id 4336A5001530 for ; Wed, 28 Apr 2021 03:09:07 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 47FE41FB; Tue, 27 Apr 2021 20:09:13 -0700 (PDT) Received: from [10.163.76.81] (unknown [10.163.76.81]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5E3E03F694; Tue, 27 Apr 2021 20:09:08 -0700 (PDT) Subject: Re: [PATCH 0/5] Cleanup and fixup for huge_memory To: Miaohe Lin , akpm@linux-foundation.org Cc: ziy@nvidia.com, william.kucharski@oracle.com, willy@infradead.org, yang.shi@linux.alibaba.com, aneesh.kumar@linux.ibm.com, rcampbell@nvidia.com, songliubraving@fb.com, kirill.shutemov@linux.intel.com, riel@surriel.com, hannes@cmpxchg.org, minchan@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20210427133214.2270207-1-linmiaohe@huawei.com> From: Anshuman Khandual Message-ID: <1d86c821-89f6-cc46-ceb4-fac7748212e5@arm.com> Date: Wed, 28 Apr 2021 08:40:00 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210427133214.2270207-1-linmiaohe@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 4336A5001530 X-Stat-Signature: wjy5dnry7j1q6irwtwwzxt9i7y4ky1mg Received-SPF: none (arm.com>: No applicable sender policy available) receiver=imf01; identity=mailfrom; envelope-from=""; helo=foss.arm.com; client-ip=217.140.110.172 X-HE-DKIM-Result: none/none X-HE-Tag: 1619579347-139180 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 4/27/21 7:02 PM, Miaohe Lin wrote: > Hi all, > This series contains cleanups to remove dedicated macro and remove > unnecessary tlb_remove_page_size() for huge zero pmd. Also this adds > missing read-only THP checking for transparent_hugepage_enabled() and > avoids discarding hugepage if other processes are mapping it. More > details can be found in the respective changelogs. Thanks! > > Miaohe Lin (5): > mm/huge_memory.c: remove dedicated macro HPAGE_CACHE_INDEX_MASK > mm/huge_memory.c: use page->deferred_list > mm/huge_memory.c: add missing read-only THP checking in > transparent_hugepage_enabled() > mm/huge_memory.c: remove unnecessary tlb_remove_page_size() for huge > zero pmd > mm/huge_memory.c: don't discard hugepage if other processes are > mapping it I guess it might be just better to split the series into cleans-ups without functional change and then fixes separately.