From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f180.google.com (mail-ie0-f180.google.com [209.85.223.180]) by kanga.kvack.org (Postfix) with ESMTP id 33DF06B0069 for ; Mon, 17 Nov 2014 14:45:07 -0500 (EST) Received: by mail-ie0-f180.google.com with SMTP id rp18so2440950iec.25 for ; Mon, 17 Nov 2014 11:45:07 -0800 (PST) Received: from mail-ig0-x22a.google.com (mail-ig0-x22a.google.com. [2607:f8b0:4001:c05::22a]) by mx.google.com with ESMTPS id en16si56336588icb.5.2014.11.17.11.45.05 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 17 Nov 2014 11:45:06 -0800 (PST) Received: by mail-ig0-f170.google.com with SMTP id r2so2814823igi.1 for ; Mon, 17 Nov 2014 11:45:05 -0800 (PST) Date: Mon, 17 Nov 2014 11:45:04 -0800 (PST) From: David Rientjes Subject: Re: [PATCH] memory-hotplug: remove redundant call of page_to_pfn In-Reply-To: <5461D343.60803@huawei.com> Message-ID: References: <1415697184-26409-1-git-send-email-zhenzhang.zhang@huawei.com> <5461D343.60803@huawei.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Zhang Zhen Cc: Andrew Morton , Dave Hansen , Linux MM , linux-kernel@vger.kernel.org, wangnan0@huawei.com On Tue, 11 Nov 2014, Zhang Zhen wrote: > The start_pfn can be obtained directly by > phys_index << PFN_SECTION_SHIFT. > > Signed-off-by: Zhang Zhen Acked-by: David Rientjes -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org