Messages in this thread | | | Date | Sat, 12 Aug 2006 12:16:19 -0700 | From | Nishanth Aravamudan <> | Subject | Re: VMPLIT question |
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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 <nacc@us.ibm.com> IBM Linux Technology Center - 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/
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