Updated 2.3.x job list (its getting shorter)
Jeff Garzik
jgarzik en mandrakesoft.mandrakesoft.com
Lun Ene 31 13:43:51 CST 2000
On 29 Jan 2000, Jes Sorensen wrote:
> >>>>> "James" == James A Simmons <jsimmons en acsu.buffalo.edu> writes:
> James> On Sat, 29 Jan 2000, Alan Cox 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.
>
> James> And it's useful how?
>
> Lotsa modern hardware will do scatter/gather DMA, very useful indeed.
In a message to lkml a while back, Alan pointed out something which in
retrospect is pretty obvious -- with some tricks, even older hardware
can often do scatter-gather.
Jeff
-
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