From patchwork Sun Apr 12 19:48:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11484743 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 975BA1392 for ; Sun, 12 Apr 2020 19:52:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 643F920739 for ; Sun, 12 Apr 2020 19:52:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="M03jHDXj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 643F920739 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A1B988E00E3; Sun, 12 Apr 2020 15:52:47 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 9F2228E00D0; Sun, 12 Apr 2020 15:52:47 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 906C88E00E3; Sun, 12 Apr 2020 15:52:47 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0135.hostedemail.com [216.40.44.135]) by kanga.kvack.org (Postfix) with ESMTP id 7591D8E00D0 for ; Sun, 12 Apr 2020 15:52:47 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 279014DBE for ; Sun, 12 Apr 2020 19:52:47 +0000 (UTC) X-FDA: 76700250774.29.wing27_184405bac1c62 X-Spam-Summary: 2,0,0,00d84b33351ac0ac,d41d8cd98f00b204,rppt@kernel.org,,RULES_HIT:41:355:379:541:800:960:966:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1730:1747:1777:1792:2196:2199:2393:2559:2562:3138:3139:3140:3141:3142:3352:3369:3865:3866:3867:3868:3870:3871:4250:4321:4385:5007:6119:6261:6653:6742:6743:7576:7875:9389:10004:11026:11473:11658:11914:12296:12297:12438:12517:12519:12555:12679:12895:12986:13069:13161:13229:13311:13357:13894:14181:14384:14394:14721:14819:21080:21627:30054,0,RBL:198.145.29.99:@kernel.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:1,LUA_SUMMARY:none X-HE-Tag: wing27_184405bac1c62 X-Filterd-Recvd-Size: 4690 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Sun, 12 Apr 2020 19:52:46 +0000 (UTC) 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 E51FF2084D; Sun, 12 Apr 2020 19:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586721165; bh=kg4dZKJ579N986CAoZmLROmIpOcRvYn6L1WsJDxOIl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M03jHDXjV3O72ZpMby0hutf5uyRC1PKMh5Up9F7+dMgi3d5b/SM0V7rzcP3iMzTI8 3JkXkIjXkrlZSXxjUt9xlmS4iLXB2oSwrPflLocjX5KHIdgMKTiTQivjIGtjXdJ36v mKibE3Tjm6gd7jGsV4TErO9jVxTXOdHVgsjyb7xw= From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Baoquan He , Brian Cain , Catalin Marinas , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Guan Xuetao , Guo Ren , Heiko Carstens , Helge Deller , Hoan Tran , "James E.J. Bottomley" , Jonathan Corbet , Ley Foon Tan , Mark Salter , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Mike Rapoport , Nick Hu , Paul Walmsley , Richard Weinberger , Rich Felker , Russell King , Stafford Horne , Thomas Bogendoerfer , Tony Luck , Vineet Gupta , x86@kernel.org, Yoshinori Sato , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, Mike Rapoport Subject: [PATCH 14/21] xtensa: simplify detection of memory zone boundaries Date: Sun, 12 Apr 2020 22:48:52 +0300 Message-Id: <20200412194859.12663-15-rppt@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200412194859.12663-1-rppt@kernel.org> References: <20200412194859.12663-1-rppt@kernel.org> MIME-Version: 1.0 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: 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