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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 A9501C43331 for ; Thu, 5 Sep 2019 17:05:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 76999206DE for ; Thu, 5 Sep 2019 17:05:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 76999206DE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 136F76B0279; Thu, 5 Sep 2019 13:05:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0E8156B027C; Thu, 5 Sep 2019 13:05:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F3EEE6B027D; Thu, 5 Sep 2019 13:05:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0234.hostedemail.com [216.40.44.234]) by kanga.kvack.org (Postfix) with ESMTP id CE00F6B0279 for ; Thu, 5 Sep 2019 13:05:31 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 67935443C for ; Thu, 5 Sep 2019 17:05:31 +0000 (UTC) X-FDA: 75901493262.16.cause48_12c87c0828243 X-HE-Tag: cause48_12c87c0828243 X-Filterd-Recvd-Size: 1951 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Thu, 5 Sep 2019 17:05:28 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DABAF28; Thu, 5 Sep 2019 10:05:27 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.78]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D80663F718; Thu, 5 Sep 2019 10:05:25 -0700 (PDT) Date: Thu, 5 Sep 2019 18:05:23 +0100 From: Catalin Marinas To: Nicolas Saenz Julienne Cc: hch@lst.de, wahrenst@gmx.net, marc.zyngier@arm.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, f.fainelli@gmail.com, will@kernel.org, robin.murphy@arm.com, mbrugger@suse.com, linux-rpi-kernel@lists.infradead.org, phill@raspberrypi.org, m.szyprowski@samsung.com Subject: Re: [PATCH v3 1/4] arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys() Message-ID: <20190905170523.GD31268@arrakis.emea.arm.com> References: <20190902141043.27210-1-nsaenzjulienne@suse.de> <20190902141043.27210-2-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190902141043.27210-2-nsaenzjulienne@suse.de> User-Agent: Mutt/1.10.1 (2018-07-13) 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: On Mon, Sep 02, 2019 at 04:10:39PM +0200, Nicolas Saenz Julienne wrote: > 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