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: 1557672 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HxlP55M6Vz9t55 for ; Sun, 21 Nov 2021 20:25:13 +1100 (AEDT) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee2:21ea]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4HxlP36NnGz4xdM for ; Sun, 21 Nov 2021 20:25:11 +1100 (AEDT) Received: by gandalf.ozlabs.org (Postfix) id 4HxlP36DcHz4xdW; Sun, 21 Nov 2021 20:25:11 +1100 (AEDT) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4HxlP366kcz4xdM for ; Sun, 21 Nov 2021 20:25:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237838AbhKUJ2M (ORCPT ); Sun, 21 Nov 2021 04:28:12 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:15845 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235298AbhKUJ2M (ORCPT ); Sun, 21 Nov 2021 04:28:12 -0500 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 Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org 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(-)