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On Fri, Jun 09, 2006 at 01:53:34PM +1200, Miskell, Craig wrote:
>
> > On Fri, Jun 09, 2006 at 12:25:16PM +1200, Miskell, Craig wrote:
> > > 5) Playing with memmap to exclude mem from 610-640K from
> > being used by
> > > the kernel.
> >
> > How about these kernel options ?
> >
> > memmap=exactmap [KNL,IA-32] Enable setting of an exact
> > E820 memory map, as specified by the user.
> > Such memmap=exactmap lines can be
> > constructed based on
> > BIOS output or other requirements.
> > See the memmap=nn@ss
> > option description.
> >
> > memmap=nn[KMG]$ss[KMG]
> > [KNL,ACPI] Mark specific memory as reserved.
> > Region of memory to be used, from ss to ss+nn.
> I used memmap=3K$637K to avoid the 3K segment just below 640K (which my
> BIOS diagnostics told me was reserved), with no luck. I bumped that up
> to memmap=30K$610K (lots of padding), also without luck.
>
> Similarly, I have tried:
> memmap=240M@16M (no luck)
> And
> mem=240M@16M ( no luck)
>
> as there seems to be some varying opinions on the 'net as to which of
> those is correct syntax.
There are not varying opinions. Using @ (instead of $) is a valid syntax
if you want to _force_ the kernel to use that region :)
> Of course, I might be wrong about the base cause in which case none of
> this is relevant ;-)
Can't help you there :)
- --
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)
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