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=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E715FC5ACAE for ; Wed, 11 Sep 2019 18:25:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9FBFC20872 for ; Wed, 11 Sep 2019 18:25:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9FBFC20872 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E20056B0010; Wed, 11 Sep 2019 14:25:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DD1F86B0266; Wed, 11 Sep 2019 14:25:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CE6A96B0269; Wed, 11 Sep 2019 14:25:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0119.hostedemail.com [216.40.44.119]) by kanga.kvack.org (Postfix) with ESMTP id AEB246B0010 for ; Wed, 11 Sep 2019 14:25:53 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 53F818243770 for ; Wed, 11 Sep 2019 18:25:53 +0000 (UTC) X-FDA: 75923468586.24.pear15_3360307a2d24d X-HE-Tag: pear15_3360307a2d24d X-Filterd-Recvd-Size: 2189 Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by imf36.hostedemail.com (Postfix) with ESMTP for ; Wed, 11 Sep 2019 18:25:52 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 9B6E6AC50; Wed, 11 Sep 2019 18:25:51 +0000 (UTC) From: Nicolas Saenz Julienne To: catalin.marinas@arm.com, hch@lst.de, wahrenst@gmx.net, marc.zyngier@arm.com, robh+dt@kernel.org Cc: f.fainelli@gmail.com, will@kernel.org, linux-mm@kvack.org, robin.murphy@arm.com, nsaenzjulienne@suse.de, linux-kernel@vger.kernel.org, mbrugger@suse.com, linux-rpi-kernel@lists.infradead.org, phill@raspberrypi.org, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Subject: [PATCH v6 1/4] arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys() Date: Wed, 11 Sep 2019 20:25:43 +0200 Message-Id: <20190911182546.17094-2-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190911182546.17094-1-nsaenzjulienne@suse.de> References: <20190911182546.17094-1-nsaenzjulienne@suse.de> 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: By the time we call zones_sizes_init() arm64_dma_phys_limit already contains the result of max_zone_dma_phys(). We use the variable instead of calling the function directly to save some precious cpu time. Signed-off-by: Nicolas Saenz Julienne Reviewed-by: Catalin Marinas --- arch/arm64/mm/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index f3c795278def..6112d6c90fa8 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -181,7 +181,7 @@ static void __init zone_sizes_init(unsigned long min,= unsigned long max) unsigned long max_zone_pfns[MAX_NR_ZONES] =3D {0}; =20 #ifdef CONFIG_ZONE_DMA32 - max_zone_pfns[ZONE_DMA32] =3D PFN_DOWN(max_zone_dma_phys()); + max_zone_pfns[ZONE_DMA32] =3D PFN_DOWN(arm64_dma_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] =3D max; =20 --=20 2.23.0