Updated 2.3.x job list (its getting shorter)
Jamie Lokier
lkd en tantalophile.demon.co.uk
Sab Ene 29 22:51:50 CST 2000
Jes Sorensen wrote:
>>>>> vmalloc(GFP_DMA) is needed for DMA drivers
>>>> Will you be able to allocate several megs for DMA?
>>> Allocated as random pages - yes. Linear no.
>> And it's useful how?
> Lotsa modern hardware will do scatter/gather DMA, very useful indeed.
How much hardware can do _ISA_ scatter/gather DMA?
GFP_DMA is for ISA only. The allocator changes are useful for folks
doing 32 bit PCI DMA, but that's not the question that was asked here.
have a nice day,
-- Jamie
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo en vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
Más información sobre la lista de distribución Ayuda