Messages in this thread | | | From | "Manfred" <> | Subject | Re: cmpci: dma buffer crosses 64k boundary | Date | Mon, 27 Dec 1999 22:44:47 +0100 |
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From: Alan Cox <alan@lxorguk.ukuu.org.uk> > 2.2.x had the property that ISA DMA get free pages always aligned on power > of two boundaries equivalent to the size.
The kernel stack is allocated with gfp(,1), and it must be 8192 byte aligned, otherwise the 'current' macro would fail.
I think we must continue to guarantee that x-byte allocations are aligned on x-byte boundaries.
-- Manfred
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