Thanks for the info. The reserve param I refer to is the "reserve" param
from kernel-parameters.txt
"reserve= [KNL,BUGS] Force the kernel to ignore some iomem area"
On my number 2. I have been testing just giving 4 Gigs to the OS which ends
up getting cut into by the iomem addressing and the
"Thomas Crowley" <[EMAIL PROTECTED]> writes:
>
> 1) in arch/x86_64/kernel/e820.cthe e820_reserve_resources function
> the line if (e820.map[i].addr + e820.map[i].size > 0x1ULL)
> makes it so any region that
> starts below the 4Gig mark but ends above 4Gig mark is ignored.
That is
I am running linux 2.6.12.2 with the memmap patch, on an Intel 64 bit
machine with 16 Gigs of RAM. I have written a device driver that DMAs to 14
Gigs of RAM.
I am attempting to give 1 Gig of RAM to the OS and 1Gig of address space for
PCI addressing and 14 Gigs for my DMA. I have added the
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