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SubjectRe: [PATCH 0 of 3] Low memory corruption detection and workaround
Nick Piggin wrote:
> Why not high memory as well? We put page tables there too...
>

Well, the specific problem is that the BIOS appears to corrupt low
memory. It might corrupt other memory anywhere, but that would be
pretty pathologically evil. The assumption is that it gets away with it
because its memory that Windows doesn't otherwise use or something.

> (rant: why can we still buy non-ECC memory?)
>

Well, it wouldn't help in this case. It's not random hardware bit-flipping.

J


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