Re: Problem with >1 page GFP_KERNEL kmalloc()

Ingo Molnar (mingo@pc5829.hil.siemens.at)
Mon, 31 Mar 1997 00:33:37 +0200 (MET DST)


On Sun, 30 Mar 1997, Gerard Roudier wrote:

> On Sun, 30 Mar 1997, Harald Koenig wrote:

> > well, could anyone please fix the floppy device driver as we sometimes
> > get
> >
> > Unable to allocate DMA memory

> That is not exactly the same problem in my opinion.
> ISA DMA capable interfaces need bounce buffers. Such hardwares have been
> designed when machines had very fiew memory and generally have very low
> performances.
> Making available a small pool of about 100K or a fiew more for such hardware
> is not expensive and should work with normal performance.

maybe Mark Hemment's VM implementation (which does page reaping) solves
this problem too?

-- mingo