In defense of having that option available, this was not a case where
the user was deliberately trying to set that option, but rather that
it somehow got set accidentally (still a bit of a mystery as I was not
modifying configs at the time).
On 26 Apr 2006 07:12:43 +0200, Andi Kleen <[email protected]> wrote:
> "David Wilk" <[email protected]> writes:
>
> > Ok, I think I need to apologize to everyone here. I have found the
> > problem, and it is not with your patch, Hugh. For some reason, the
> > config for my 2.6.16.7 source tree had a 1G/3G user/kernel split
> > configured. This is very bizaar as I copy my .config from tree to
> > tree to avoid any changes in the configuration of my test kernels.
>
> This just shows this dreaded VMSPLIT config was a bad idea in the first
> place. There was a reason we didn't have it for such a long time (too
> many users get it wrong) and such occurrences just show again that this
> is still true.
>
> IMHO it would be best to just remove that option again and require
> users who really want to change this to patch their kernels again.
>
> At the very least it should be probably made dependent on CONFIG_EMBEDDED.
>
> -Andi
>
> Mark VMSPLIT EMBEDDED
>
> Too many users get it wrong.
>
> Signed-off-by: Andi Kleen <[email protected]>
>
> Index: linux/arch/i386/Kconfig
> ===================================================================
> --- linux.orig/arch/i386/Kconfig
> +++ linux/arch/i386/Kconfig
> @@ -466,7 +466,7 @@ endchoice
>
> choice
> depends on EXPERIMENTAL && !X86_PAE
> - prompt "Memory split"
> + prompt "Memory split" if EMBEDDED
> default VMSPLIT_3G
> help
> Select the desired split between kernel and user memory.
>
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