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

[H. Peter Anvin]

On 10/20/2011 02:15 PM, Jacob Shin wrote:
> 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.

> +			if (ei->type == E820_RESERVED)
> +				continue;

This should probably be ei->type != E820_RAM or something similar.  I
haven't looked yet, what does the < 4 GiB code do?

	-hpa

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