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 47618C433F5 for ; Mon, 29 Nov 2021 02:52:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 360EF6B0071; Sun, 28 Nov 2021 21:51:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2E9A16B0072; Sun, 28 Nov 2021 21:51:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 18A6A6B0073; Sun, 28 Nov 2021 21:51:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0211.hostedemail.com [216.40.44.211]) by kanga.kvack.org (Postfix) with ESMTP id 05F2B6B0071 for ; Sun, 28 Nov 2021 21:51:59 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id AF82F8D8CC for ; Mon, 29 Nov 2021 02:51:48 +0000 (UTC) X-FDA: 78860442738.26.FED30DC Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by imf12.hostedemail.com (Postfix) with ESMTP id C0D1D10000AA for ; Mon, 29 Nov 2021 02:51:47 +0000 (UTC) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4J2VF7406Dz8vgD; Mon, 29 Nov 2021 10:49:47 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Mon, 29 Nov 2021 10:51:20 +0800 Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.20; Mon, 29 Nov 2021 10:51:19 +0800 Message-ID: <4fecd1ac-6c0a-f0fa-1ffb-18f3f266809d@huawei.com> Date: Mon, 29 Nov 2021 10:51:18 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH RFC 0/4] mm: percpu: Cleanup percpu first chunk funciton Content-Language: en-US To: , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , References: <20211121093557.139034-1-wangkefeng.wang@huawei.com> From: Kefeng Wang In-Reply-To: <20211121093557.139034-1-wangkefeng.wang@huawei.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggeme710-chm.china.huawei.com (10.1.199.106) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: C0D1D10000AA Authentication-Results: imf12.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf12.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.189 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com X-Stat-Signature: oqzthqe1iy6zck48e9ehw8rpzqyp1yry X-HE-Tag: 1638154307-72177 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: Hi Dennis and all maintainers, any comments about the changes, many thanks. On 2021/11/21 17:35, Kefeng Wang wrote: > When support page mapping percpu first chunk allocator on arm64, we > found there are lots of duplicated codes in percpu embed/page first > chunk allocator. This patchset is aimed to cleanup them and should > no funciton change, only test on arm64. > > Kefeng Wang (4): > mm: percpu: Generalize percpu related config > mm: percpu: Add pcpu_fc_cpu_to_node_fn_t typedef > mm: percpu: Add generic pcpu_fc_alloc/free funciton > mm: percpu: Add generic pcpu_populate_pte() function > > arch/arm64/Kconfig | 20 +---- > arch/ia64/Kconfig | 9 +-- > arch/mips/Kconfig | 10 +-- > arch/mips/mm/init.c | 14 +--- > arch/powerpc/Kconfig | 17 +--- > arch/powerpc/kernel/setup_64.c | 92 +-------------------- > arch/riscv/Kconfig | 10 +-- > arch/sparc/Kconfig | 12 +-- > arch/sparc/kernel/smp_64.c | 105 +----------------------- > arch/x86/Kconfig | 17 +--- > arch/x86/kernel/setup_percpu.c | 66 ++------------- > drivers/base/arch_numa.c | 68 +--------------- > include/linux/percpu.h | 13 +-- > mm/Kconfig | 12 +++ > mm/percpu.c | 143 +++++++++++++++++++++++++-------- > 15 files changed, 165 insertions(+), 443 deletions(-) >