From patchwork Sun Nov 21 09:35:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 12630703 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 D098FC433EF for ; Sun, 21 Nov 2021 09:25:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6BC346B0072; Sun, 21 Nov 2021 04:25:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 60EB46B0075; Sun, 21 Nov 2021 04:25:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 347AA6B0073; Sun, 21 Nov 2021 04:25:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0188.hostedemail.com [216.40.44.188]) by kanga.kvack.org (Postfix) with ESMTP id 0B2A16B0071 for ; Sun, 21 Nov 2021 04:25:20 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id A45881849A81B for ; Sun, 21 Nov 2021 09:25:09 +0000 (UTC) X-FDA: 78832403496.11.798A70E Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf21.hostedemail.com (Postfix) with ESMTP id 17D6FD0369E3 for ; Sun, 21 Nov 2021 09:25:06 +0000 (UTC) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HxlNS4C08z90xJ; Sun, 21 Nov 2021 17:24:40 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sun, 21 Nov 2021 17:25:04 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sun, 21 Nov 2021 17:25:03 +0800 From: Kefeng Wang To: , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , Kefeng Wang Subject: [PATCH RFC 0/4] mm: percpu: Cleanup percpu first chunk funciton Date: Sun, 21 Nov 2021 17:35:53 +0800 Message-ID: <20211121093557.139034-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 17D6FD0369E3 X-Stat-Signature: zpzn9wwzrumyn7ib8r1pgj5486cawojp Authentication-Results: imf21.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf21.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com X-HE-Tag: 1637486706-191525 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: 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(-)