Messages in this thread | | | Date | Thu, 23 Feb 2006 20:48:01 +0100 | From | Rene Herman <> | Subject | Re: Patch to reorder functions in the vmlinux to a defined order |
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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.
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