Message-ID: <4E036A2D.1060402@zytor.com>
Date: Thu, 23 Jun 2011 09:30:37 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Stefan Assmann <sassmann@kpanic.de>
CC: Matthew Garrett <mjg59@srcf.ucam.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
        tony.luck@intel.com, andi@firstfloor.org, mingo@elte.hu,
        rick@vanrein.org, rdunlap@xenotime.net
Subject: Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)
References: <1308741534-6846-1-git-send-email-sassmann@kpanic.de> <20110623133950.GB28333@srcf.ucam.org> <4E0348E0.7050808@kpanic.de> <20110623141222.GA30003@srcf.ucam.org> <4E035DD1.1030603@kpanic.de>
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On 06/23/2011 08:37 AM, Stefan Assmann wrote:
> 
> According to Rick's reply in this thread a damaged row in a DIMM can
> easily cause a few thousand entries in the e820 table because it doesn't
> handle patterns. So the question I'm asking is, is it acceptable to
> have an e820 table with thousands maybe ten-thousands of entries?
> I really have no idea of the implications, maybe somebody else can
> comment on that.
> 

Given that that is what actually ends up happening in the kernel at some
point anyway, I don't see why it would matter.

The bubble sort has to go, but quite frankly stress-testing the range
handling isn't a bad thing.
	
	-hpa

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

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