Re: [PATCH] export e820 table on x86

[Linus Torvalds]

On Thu, 21 Nov 2002, Dave Hansen wrote:
>
>   BIOS-e820: 0000000000000000 - 000000000009dc00 (usable)
>   BIOS-e820: 000000000009dc00 - 00000000000a0000 (reserved)
>   BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>   BIOS-e820: 0000000000100000 - 000000003fff9380 (usable)
>   BIOS-e820: 000000003fff9380 - 0000000040000000 (ACPI data)
>   BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
>   BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
>   BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
> 
> I added a " e820" onto the end of each of the cases in 
> register_memory().  Where does the "00000000000e0000 - 
> 0000000000100000 (reserved)" entry go?

The kernel removes all region claims in the 0xa0000 - 0x100000 area, since 
there are broken bioses that claim there is good memory there even if 
there isn't.

>  I wonder if it is vital to the  next boot...

Nope, the next boot would also just remove it..

		Linus