Re: discontig physical memory

[Petko Manolov <pmanolov@Lnxw.COM>]

"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