lkml.org 
[lkml]   [2001]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [Linux-ia64] patch to no longer use ia64's software mmu
    >>>>> On Tue, 4 Dec 2001 17:59:28 +0000 (GMT), Alan Cox <alan@lxorguk.ukuu.org.uk> said:

    Alan> ISA DMA. While there is no ISA DMA on ia64 (thankfully) many
    Alan> PCI cards have 26-31 bit limits.
    >> We could do this if we there was a GFP_4GB zone. Now that 2.5
    >> is open for business, it won't be long, right?

    Alan> I don't see the need: GFP_DMA is the ISA DMA zone. pci_* API
    Alan> is used by everyone else [for 2.5].

    Without a 4GB zone, you may end up creating bounce buffers needlessly
    for 32-bit capable DMA devices, no?

    --david
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:13    [W:0.030 / U:1.160 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site