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

From: H. Peter Anvin
Date: Thu Jun 23 2011 - 12:31:21 EST

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.


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

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