Re: DMA and Cache coherency on machines without hardware enforced

Ingo Molnar (mingo@chiara.csoma.elte.hu)
Wed, 1 Dec 1999 22:40:17 +0100 (CET)


On Wed, 1 Dec 1999, Pete Zaitcev wrote:

> >page = __get_free_pages(whatever, order);
> >ptr = ioremap_nocache(virt_to_phys(page), 1 << (order+PAGE_SHIFT));
>
> When was ioremap_nocache() introduced and was it sprinked with
> a penguin pee?

well, 2 or 3 years ago, in the late 2.0 kernels.

-- mingo

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