From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B07C8C83003 for ; Wed, 29 Apr 2020 12:14:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 672AC20731 for ; Wed, 29 Apr 2020 12:14:41 +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="o/CQ8cvT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 672AC20731 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 139068E0013; Wed, 29 Apr 2020 08:14:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0E9D68E0001; Wed, 29 Apr 2020 08:14:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F19D68E0013; Wed, 29 Apr 2020 08:14:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0229.hostedemail.com [216.40.44.229]) by kanga.kvack.org (Postfix) with ESMTP id D6CC28E0001 for ; Wed, 29 Apr 2020 08:14:40 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A02188248D52 for ; Wed, 29 Apr 2020 12:14:40 +0000 (UTC) X-FDA: 76760785920.10.sleep58_45de9f422be03 X-HE-Tag: sleep58_45de9f422be03 X-Filterd-Recvd-Size: 5093 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf33.hostedemail.com (Postfix) with ESMTP for ; Wed, 29 Apr 2020 12:14:39 +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 E771C2173E; Wed, 29 Apr 2020 12:14:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588162479; bh=qgI7K92iBwIDZAkAJTDuYND4mLS1M8WKNioq+QvWTss=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o/CQ8cvTdcUHi88smrvHJeF3wNwRqis+twFo/lxOi6JLDwvnV1MEivPLtYemrGA+I b7p0HPTuKGtMpp6lyp2Pv1yjiFSicakH4VDa5ZKj37DEty/Hv/u+97BFUBwB0P8+es BNLNjRKzuXHmcQKBsqrZ5ONTBmPAB7I6i6e/Z8GY= 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 , Nick Hu , Paul Walmsley , Qian Cai , 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 v2 11/20] parisc: simplify detection of memory zone boundaries Date: Wed, 29 Apr 2020 15:11:17 +0300 Message-Id: <20200429121126.17989-12-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 Content-Transfer-Encoding: quoted-printable 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 size= s 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/parisc/mm/init.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 5224fb38d766..02d2fdb85dcc 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -675,27 +675,11 @@ static void __init gateway_init(void) =20 static void __init parisc_bootmem_free(void) { - unsigned long zones_size[MAX_NR_ZONES] =3D { 0, }; - unsigned long holes_size[MAX_NR_ZONES] =3D { 0, }; - unsigned long mem_start_pfn =3D ~0UL, mem_end_pfn =3D 0, mem_size_pfn =3D= 0; - int i; - - for (i =3D 0; i < npmem_ranges; i++) { - unsigned long start =3D pmem_ranges[i].start_pfn; - unsigned long size =3D pmem_ranges[i].pages; - unsigned long end =3D start + size; - - if (mem_start_pfn > start) - mem_start_pfn =3D start; - if (mem_end_pfn < end) - mem_end_pfn =3D end; - mem_size_pfn +=3D size; - } + unsigned long max_zone_pfn[MAX_NR_ZONES] =3D { 0, }; =20 - zones_size[0] =3D mem_end_pfn - mem_start_pfn; - holes_size[0] =3D zones_size[0] - mem_size_pfn; + max_zone_pfn[0] =3D memblock_end_of_DRAM(); =20 - free_area_init_node(0, zones_size, mem_start_pfn, holes_size); + free_area_init(max_zone_pfn); } =20 void __init paging_init(void) --=20 2.26.1