linux-kernel - Re: [PATCH] x86: memtest: fix compile warning

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Date:	Thu, 11 Jun 2009 07:30:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Andreas Herrmann <andreas.herrmann3@....com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: memtest: fix compile warning

Thomas Gleixner wrote:
> 
> But aside of that this code is confusing.
> 
> 	start_phys_aligned = ALIGN(start_phys, incr);
> 
> Why do we have to fiddle with the alignment. Are you really seing e820
> entries which are not 8 byte aligned ?
> 

I have personally seen those on real systems.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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