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From: Marvin Justice <mjustice@austin.rr.com>
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To: Daniel Freedman <freedman@ccmr.cornell.edu>
Subject: Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?
Date: Sun, 6 Jan 2002 14:15:24 -0600
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On Sunday 06 January 2002 01:45 pm, Daniel Freedman wrote:
> Hi Marvin,
>
> Thanks for the quick reply.
>
> On Sun, Jan 06, 2002, Marvin Justice wrote:
> > Is this what your looking for? Just below the definition of PAGE_OFFSET
> > in page.h:
> >
> > /*
> >  * This much address space is reserved for vmalloc() and iomap()
> >  * as well as fixmap mappings.
> >  */
> > #define __VMALLOC_RESERVE	(128 << 20)
>
> However, while it does seem to be exactly the definition for 128MB
> vmalloc offset that I was looking for, I don't seem to have this
> definition in my source tree (2.4.16):
>
>   freedman@planck:/usr/src/linux$ grep -r __VMALLOC_RESERVE *
>   freedman@planck:/usr/src/linux$
>
> Any idea why this is so?
>
> Thanks again,
>
> Daniel
>

Hmmm. Looks like it was moved sometime between 2.4.16 and 2.4.18pre1. In my 
2.4.16 tree it's located in arch/i386/kernel/setup.c and without the leading 
underscores.

-M
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