Re: [PATCH] x86/boot: Reorganize and clean up the BIOS area reservation code
From: Ingo Molnar
Date: Thu Jul 21 2016 - 05:14:21 EST
* H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> We already reserve the first megabyte by default. There is something really bizarre about this; the bug report simply doesn't seem to make any sense.
Btw., are you sure about this? We do reserve the first 64KB:
int "Amount of low memory, in kilobytes, to reserve for the BIOS"
range 4 640
Specify the amount of low memory to reserve for the BIOS.
But I cannot find the place that allocates the first 1MB.