linux-kernel - RE: [PATCH resend] arm:extend the reserved memory for initrd to be page aligned

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Message-ID: <35FD53F367049845BC99AC72306C23D103D6DB491642@CNBJMBX05.corpusers.net>
Date:	Thu, 9 Oct 2014 15:25:16 +0800
From:	"Wang, Yalin" <Yalin.Wang@...ymobile.com>
To:	'Geert Uytterhoeven' <geert@...ux-m68k.org>
CC:	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Catalin Marinas <Catalin.Marinas@....com>,
	DL-WW-ContributionOfficers-Linux 
	<DL-WW-ContributionOfficers-Linux@...ymobile.com>
Subject: RE: [PATCH resend] arm:extend the reserved memory for initrd to be
 page aligned

> 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