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: 12693202 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 07638C433EF for ; Sun, 21 Nov 2021 09:27:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=D2Yi6DCZ0bpho/XLu/pobytOoNNDbQMW1nWIEZQfHGU=; b=pJTz1+WTLs/n76 5udGz8hdsP4HPSmeXb2z756M3DO7tByMXoB2TWWlPn4x+wPOwomjgCmIrGoyq/F2BvMoRORrc7dKY CowEQabxiHPGhEo1frqiprTZR0Tvk3jvd/3FnwEr/3kI5SNWJ/OgRzQNdMRIDRKs+bbmCqRTNXizM I/17frm1hqi1mKRm2yIwRWGACHaHJHUcxRi0mE+0LURmfmb6SYyGCqxIGGkDC43oTyCWKxLmIseli HG35fmDnkWC4E0c9CJ05eHCUU6JZUPRbWytTMV1cJ1C9rKkIXKHbFraSAUQHGrCOldywmbLMtdoK+ QBpgw/RVpfipWxycQvzA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1moj65-00DPm1-Fg; Sun, 21 Nov 2021 09:25:17 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1moj61-00DPiW-I0; Sun, 21 Nov 2021 09:25:15 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211121_012513_791156_F14E3295 X-CRM114-Status: UNSURE ( 3.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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(-)