Re: Problem with 1G RAM

Perry Harrington (pedward@sun4.apsoft.com)
Fri, 4 Dec 1998 11:25:49 -0800 (PST)


Perusing setup.c in the i386 directory yields:

#define MAXMEM ((unsigned long)(-PAGE_OFFSET-VMALLOC_RESERVE))

if (memory_end > MAXMEM)
memory_end = MAXMEM;

If this doesn't truncate the mem=XXXM command supplied maximum, then I'm
at a loss.

--Perry

>
> OK, who wants to volunteer to insert a check in the kernel: STOP if
> __PAGE_OFFSET is incompatible with the amount of RAM specified by
> "mem=xxxM" ? Failing that, print a warning, and reduce the RAM to (say)
> 960MB or whatever.
>
> This seems to have bitten quite a few people, and we *do* want to help
> people who run Linux on big machines, don't we? They don't always get a
> second chance to explain to their bosses why the machine won't boot...
>
> Neil
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.rutgers.edu
> Please read the FAQ at http://www.tux.org/lkml/
>

-- 
Perry Harrington       Linux rules all OSes.    APSoft      ()
email: perry@apsoft.com 			Think Blue. /\

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/