From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751264AbaJIHZa (ORCPT ); Thu, 9 Oct 2014 03:25:30 -0400 Received: from cnbjrel01.sonyericsson.com ([219.141.167.165]:12029 "EHLO cnbjrel01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750761AbaJIHZU (ORCPT ); Thu, 9 Oct 2014 03:25:20 -0400 From: "Wang, Yalin" To: "'Geert Uytterhoeven'" CC: Will Deacon , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , "linux-arm-msm@vger.kernel.org" , Russell King - ARM Linux , =?utf-8?B?VXdlIEtsZWluZS1Lw7ZuaWc=?= , Catalin Marinas , DL-WW-ContributionOfficers-Linux Date: Thu, 9 Oct 2014 15:25:16 +0800 Subject: RE: [PATCH resend] arm:extend the reserved memory for initrd to be page aligned Thread-Topic: [PATCH resend] arm:extend the reserved memory for initrd to be page aligned Thread-Index: Ac/i7r0v2ASnuZlKQuKNdXJ9FB6zTQAowkNw Message-ID: <35FD53F367049845BC99AC72306C23D103D6DB491642@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D103D6DB49161F@CNBJMBX05.corpusers.net> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id s997PYXe028937 > Who guarantees there's no valuable data in [start, initrd_start) and > [initrd_end, end) being corrupted? > mm.. I am not sure if the memblock_reserve will reserve Memory from page aligned address? If not, do we need also make memblock_reserve the initrd memory >>From page aligned start(round down) to page aligned end address(round up) ? Thanks {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I