lkml.org 
[lkml]   [2006]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Patch to reorder functions in the vmlinux to a defined order
Alan Cox wrote:

> On Iau, 2006-02-23 at 20:23 +0100, Rene Herman wrote:

>> Does 16MB still work? Gets the kernel out of the old ZONE_DMA. I suppose
>> not many people are really using that anyway anymore these days, but if
>> no downsides maybe?
>
> Certainly the PAE kernel might as well do that and the AMD64 if it
> doesn't already. There are complications however getting above 16MB
> because 16bit protected mode (and maybe the BIOS helpers - I need to
> check that) can't hit it.

INT 15/AH=0x87 (move from low to high) on a 386+ should work, according
to the documentation I have... Is PM16 used anywhere?

> We also used to have people DMAing into static kernel buffers in older
> days but hopefully that habit is now dead and gone because modules
> sorted most of it out.

Good method to flush out any possible remaining users :-)

Rene.

-
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: 2006-02-23 20:50    [W:0.123 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site