From patchwork Wed Apr 29 12:11:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 1279244 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20170209 header.b=cZCprP4q; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=sLMMyJgl; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (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 ozlabs.org (Postfix) with ESMTPS id 49ByCB0r4Lz9sSl for ; Wed, 29 Apr 2020 22:15:34 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LUv4JcqKYAbXJeWsKJ+CP0xwZmMOMFG9QhifYhhZmTY=; b=cZCprP4qw8f7yH QU3WqWiAHaZtTB1guzyIKPsvbMUezs3zACQfxzSFXOKqoLX4yz+ZW7EA1MrXSEaaK29r5oFDIzujj WZ1/AajoNuUwij/43k6UlAb/0/QjjObA+DQXPBlYWgt1IefxNT3hQZb2HW29Ju8jXGRiVgfjyVCOH YeFRa5IB2eUAoIZwPBuzqtDRC/41SNxbekypCS7c3dBjAkTXpTrOF0osUNSxGvjhtbe1jk+7+7zt7 FNTuKhDZVn5Go+QHhL9Uuiy+99AcB8/XgLCDeLKa7HoAbv9isssbsqnH+JUE38Cc+E3nHAwAOnqET oQkOfd9qReoetFcEhmTw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTlch-0003fy-Vs; Wed, 29 Apr 2020 12:15:31 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTlcY-0003Sd-DA; Wed, 29 Apr 2020 12:15:24 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CD7D621835; Wed, 29 Apr 2020 12:15:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588162521; bh=QWsvJ6DvyHT7m27f3KCOEA22ptVe2a2uUAEzfYObvug=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sLMMyJgl66NS1Fmaq19lw3b89QqMmSF8m2U6Z06cK0zcrjZr82CAb0alxfZISVtiR SwqZn2jptbWUyPmjlXlat1XNJ66wzmZGzOVdKqoTD1Cr3MHknQtfp0zwsVv/YnIdOA M561eaKheyR84KzAYJIKo6VAoqeqzC0OkY/Hfs38= From: Mike Rapoport To: linux-kernel@vger.kernel.org Subject: [PATCH v2 14/20] xtensa: simplify detection of memory zone boundaries Date: Wed, 29 Apr 2020 15:11:20 +0300 Message-Id: <20200429121126.17989-15-rppt@kernel.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200429121126.17989-1-rppt@kernel.org> References: <20200429121126.17989-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_051522_523237_C8361727 X-CRM114-Status: GOOD ( 11.39 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rich Felker , linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , Heiko Carstens , Michal Hocko , "James E.J. Bottomley" , Max Filippov , Guo Ren , linux-csky@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, Mike Rapoport , Greg Ungerer , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Baoquan He , Jonathan Corbet , linux-sh@vger.kernel.org, Michael Ellerman , Helge Deller , x86@kernel.org, Russell King , Ley Foon Tan , Yoshinori Sato , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org, Mark Salter , Matt Turner , linux-snps-arc@lists.infradead.org, uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, Tony Luck , Qian Cai , Greentime Hu , Paul Walmsley , Stafford Horne , Guan Xuetao , Hoan Tran , Michal Simek , Thomas Bogendoerfer , Brian Cain , Nick Hu , linux-mm@kvack.org, Vineet Gupta , linux-mips@vger.kernel.org, openrisc@lists.librecores.org, Richard Weinberger , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Mike Rapoport The free_area_init() function only requires the definition of maximal PFN for each of the supported zone rater than calculation of actual zone sizes and the sizes of the holes between the zones. After removal of CONFIG_HAVE_MEMBLOCK_NODE_MAP the free_area_init() is available to all architectures. Using this function instead of free_area_init_node() simplifies the zone detection. Signed-off-by: Mike Rapoport --- arch/xtensa/mm/init.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 19c625e6d81f..a05b306cf371 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -70,13 +70,13 @@ void __init bootmem_init(void) void __init zones_init(void) { /* All pages are DMA-able, so we put them all in the DMA zone. */ - unsigned long zones_size[MAX_NR_ZONES] = { - [ZONE_NORMAL] = max_low_pfn - ARCH_PFN_OFFSET, + unsigned long max_zone_pfn[MAX_NR_ZONES] = { + [ZONE_NORMAL] = max_low_pfn, #ifdef CONFIG_HIGHMEM - [ZONE_HIGHMEM] = max_pfn - max_low_pfn, + [ZONE_HIGHMEM] = max_pfn, #endif }; - free_area_init_node(0, zones_size, ARCH_PFN_OFFSET, NULL); + free_area_init(max_zone_pfn); } #ifdef CONFIG_HIGHMEM