On 12.08.2006 [07:44:35 -0700], Dave Hansen wrote:
> On Fri, 2006-08-11 at 22:27 -0700, Nishanth Aravamudan wrote:
> > While building a newer kernel for a server (which had been running
> > 2.6.12 or so), I spent some time looking for how to set the VMSPLIT
> > .config options. I searched in menuconfig for VMSPLIT and was given a
> > few responses, all similar to this:
> >
> > â?????? Symbol: VMSPLIT_3G [=n]
> > â?????? Prompt: 3G/1G user/kernel split
> > â?????? Defined at arch/i386/Kconfig:488
> > â?????? Depends on: <choice>
> >
> > Since depending on "<choice>" is less than helpful, I did an rgrep and
> > found what it actually depends on:
> >
> > depends on EXPERIMENTAL && !X86_PAE
> > prompt "Memory split" if EMBEDDED
> > default VMSPLIT_3G
> >
> > and was able to determine that I needed the patch recently submitted by
> > Dave Hansen to enable VMSPLIT for highmem kernels. Is there a reason
> > that menuconfig is not able to tell me this, i.e. this is a known
> > limitation of the choice syntax?
>
> You need to ask for help with the high-level option, not the actual
> "choice":
The "high-level option" being ...? What did you search for in menuconfig
to get the following? And, in any case, how is it useful to return a
"(null)" symbol name?
> ??? Symbol: (null) [=y] ???
> ??? Prompt: Memory split ???
> ??? Defined at arch/i386/Kconfig:494 ???
> ??? Depends on: EXPERIMENTAL && !X86_PAE && EMBEDDED ???
> ??? Location: ???
> ??? -> Processor type and features ???
> ??? Selected by: EXPERIMENTAL && !X86_PAE && EMBEDDED && m ???
Thanks,
Nish
--
Nishanth Aravamudan <[email protected]>
IBM Linux Technology Center
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