Re: Problem allocating DMA memory

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 6 Sep 1999 16:20:45 +0100 (BST)

> > 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...

Its simple, elegant but does need optimising. If you have little ram left
but DMA ram your page allocation rate is noticably slower. On a 20Mb box
thats not ideal.

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