Re: Problem allocating DMA memory

Rik van Riel (riel@humbolt.geo.uu.nl)
Mon, 6 Sep 1999 17:11:58 +0200 (CEST)


On Mon, 6 Sep 1999, Alan Cox wrote:

> > Allocation DMA memory can fail even on 64MiB system (I seen it) and in theory
> > even on 17MiB system :-(( There are was some ideas about fixing/workarounding
> > it (mostly from Rik van Riel <riel@humbolt.geo.uu.nl> but some can be found
> > on www.alsa-project.com) but AFAIK noone suggested idea sane enough to pass
> > Linus test yet...
>
> 2.2.11/2.2.12 have a zoned allocator which seems to help massively

Nice and simple, I like it (and have overlooked it until now :().

I think we should implement something at least this good in 2.3,
maybe even with cache colouring...

Rik

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