lkml.org 
[lkml]   [2001]   [Sep]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 0-order allocation failed in 2.4.10-pre8
On Sun, Sep 16 2001, Daniel Phillips wrote:
> > Use the
> >
> > *.kernel.org/pub/linux/kernel/people/axboe/patches/2.4.9/block-highmem-all
> >
> > patch and you can use highmem without having to worry about failed
> > 0-order bounce pages allocations.
>
> Right, by using 64 bit DMA instead of bounce buffers. But aren't there cases
> where the 64 bit capable hardware isn't there but somebody still wants to use
> highmem?

Yes of course. The common case is not 64-bit dma here though, it's just
being able to DMA to highmem pages (just full 32-bit dma instead of low
memory dma). And that should cover most systems out there.

--
Jens Axboe

-
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 13:03    [W:0.102 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site