Re: Allocating non-contigious memory

[Alan Cox]

> What is the Right Way[tm] as of 2.4.6 to allocate 16Mb as 4K pages and
> get the pci bus address for each page?  Bonus points is they're
> virtually contiguous, but that's not necessary.  IIRC, the old
> vmalloc-then-walk-the-pagetables trick is considered out-of-bounds
> nowadays.

If you want it virtually contiguous then copy the code from bttv that 
out-of-bounds or otherwise is now found in about 8 drivers in the kernel.

If you don't need that then you can map user space and use kiovecs - which
is nicer for many things