Re: [PATCH 1/1] x86: Exclude E820_RESERVED regions and memory holes above 4 GB from direct mapping.

[Andi Kleen]

Jacob Shin <jacob.shin@xxxxxxx> writes:

> On systems with very large memory (1 TB in our case), BIOS may report a
> reserved region or a hole in the E820 map, even above the 4 GB range. Exclude
> these from the direct mapping.

This doesn't make much sense.  Holes above 4GB are completely legal.

If you need to workaround a specific broken BIOS you would need a quirk
only matching that system, with a suitable "BIOS is broken" message.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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