Re: discontig physical memory

Petko Manolov
2001-10-09T02:46:41Z

"David S. Miller" wrote:
>
> > bootmap_size = init_bootmem(0, (32 * 1024 * 1024));
> > free_bootmem((4 * 1024 * 1024),
> > ((16 - 4) * 1024 * 1024));
>
> This is suppose to tell the kernel about the gap?
>
> Precisely. How else did you expect to let the kernel know?

Unfortunately this didn't work. I also tried to declare
16MB hole starting from offset 0 so the kernel is supposed
to boot from phys addr 0x01000000. It crashed when tried to
execute kernel_thread()
Do you think there is a mechanism to tell the kernel that first
16MB is a non DMA-able area?

Petko