Steven Rostedt wrote:
>
> Hi,
>
> Today I just discoved that my Toshiba laptop has a small bit of bad
> memory. So I went on looking for a way to reserve the memory area from
> the command line, because I run several kernels for various reasons and
> that it would be easiest to just modify lilo.conf.
>
> After seaching the web and scanning the source code I realize that there
> are only patches to do this and not in the vanilla kernel. I was
> wondering why such a usefull feature is not in the kernel?
>
> I'm using kernel versions 2.4.7 to 2.4.18 and didn't want to go patching
> each one. I'll probably just hardcode the bad memory as reserved and be
> done with it.
>
> Is this feature planned on becoming part of the kernel, at least as a
> config option, and if not, then why not?
>
> If it is already there, and I missed it, please let me know.
I couldn't find it in the Documentation directory, but there
is a comment about it in linux/arch/i386/kernel/setup.c
/*
* "mem=nopentium" disables the 4MB page tables.
* "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
* to <mem>, overriding the bios size.
* "mem=XXX[KkmM]@XXX[KkmM]" defines a memory region from
* <start> to <start>+<mem>, overriding the bios size.
*/
-- Kasper Dupont -- der bruger for meget tid på usenet. For sending spam use mailto:razrep@daimi.au.dk or mailto:mcxumhvenwblvtl@skrammel.yaboo.dk - 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/
This archive was generated by hypermail 2b29 : Tue Jul 23 2002 - 22:00:24 EST