Messages in this thread | | | Subject | Re: cmpci: dma buffer crosses 64k boundary | Date | Mon, 27 Dec 1999 22:01:59 +0000 (GMT) | From | Alan Cox <> |
| |
> 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.
This is no longer true for GFP_DMA allocations from my testing
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |