linux-kernel - Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)

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Date:	Thu, 23 Jun 2011 19:00:14 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Stefan Assmann <sassmann@...nic.de>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	tony.luck@...el.com, andi@...stfloor.org, mingo@...e.hu,
	hpa@...or.com, rick@...rein.org, rdunlap@...otime.net
Subject: Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)

> 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.

I don't think it makes sense to handle something like that with a list.
The compact representation currently in badram is great for that.

-Andi
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