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=-10.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,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 04A1EC433E0 for ; Mon, 8 Mar 2021 18:02:29 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 90834652AB for ; Mon, 8 Mar 2021 18:02:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90834652AB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Cb5Uw+tu/wWmZTJdensYbZK5oPAMmVlsUfozwejMmHc=; b=dXe0JzJfvQc0DpPu1YGswVG4o axKf/WVAwpxkG8Oa/4gchbqve6Eu+1jLDv/iUF5MWB2mG6ZDksh9bKB9pJTO5a9ecDTKR5W11LdHf xOCr3nHAesmWW2iP0k2JwLULWFzBkHYzWnZryOZ1ZDX4E1VN6edkSaI7aC2eoV7Bak143f89KpyC/ BIux9pIU5kDi53fBWQGy/dFqpuvCaY72LMsgsjgtwvJhPtf7FEOc/pwVPwZdoIVwyXI+v4JTE0Mvy AteeG4UBnv1xmlg54vJnOToT0kJbTtmY2vsbzZ/zlOqCf/82ViyNW1NZxUsW8oAdb/IsTORiOx7CN paHhg0L4A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lJKBp-001ZZp-Jt; Mon, 08 Mar 2021 18:01:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lJKBk-001ZXZ-ID for linux-arm-kernel@lists.infradead.org; Mon, 08 Mar 2021 18:01:06 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id C38EE652AB; Mon, 8 Mar 2021 18:01:00 +0000 (UTC) Date: Mon, 8 Mar 2021 18:00:58 +0000 From: Catalin Marinas To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Will Deacon , Ard Biesheuvel , Mark Rutland , James Morse , Robin Murphy , =?iso-8859-1?B?Suly9G1l?= Glisse , Dan Williams , David Hildenbrand , Mike Rapoport , Veronika Kabatova Subject: Re: [PATCH V3 2/2] arm64/mm: Reorganize pfn_valid() Message-ID: <20210308180057.GH15644@arm.com> References: <1614921898-4099-1-git-send-email-anshuman.khandual@arm.com> <1614921898-4099-3-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1614921898-4099-3-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210308_180104_811989_C28CBAD6 X-CRM114-Status: UNSURE ( 9.57 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Mar 05, 2021 at 10:54:58AM +0530, Anshuman Khandual wrote: > There are multiple instances of pfn_to_section_nr() and __pfn_to_section() > when CONFIG_SPARSEMEM is enabled. This can be optimized if memory section > is fetched earlier. This replaces the open coded PFN and ADDR conversion > with PFN_PHYS() and PHYS_PFN() helpers. While there, also add a comment. > This does not cause any functional change. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Ard Biesheuvel > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Reviewed-by: David Hildenbrand > Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel