Re: [-mm patch] i386: enable 4k stacks by default

Jesper Juhl
2006-01-04T16:39:17Z

On 1/4/06, Adrian Bunk <bunk@stusta.de> wrote:
> This patch enables 4k stacks by default.
>
> 4k stacks have become a well-tested feature used fore a long time in
> Fedora and even in RHEL 4.
>
> There are no known problems in in-kernel code with 4k stacks still
> present after Neil's patch that went into -mm nearly two months ago.
>
> Defaulting to 4k stacks in -mm kernel will give some more testing
> coverage and should show whether there are really no problems left.
>
> Keeping the option for now should make the people happy who want to use
> the experimental -mm kernel but don't trust the well-tested 4k stacks.
>
>
> Signed-off-by: Adrian Bunk <bunk@stusta.de>
>
> --- linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug.old 2006-01-04 11:43:55.000000000 +0100
> +++ linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug 2006-01-04 11:44:14.000000000 +0100
> @@ -53,8 +53,8 @@
> If in doubt, say "N".
>
> config 4KSTACKS
> - bool "Use 4Kb for kernel stacks instead of 8Kb"
> - depends on DEBUG_KERNEL
> + bool "Use 4Kb for kernel stacks instead of 8Kb" if DEBUG_KERNEL

Why "if DEBUG_KERNEL" ?

--
Jesper Juhl <jesper.juhl@gmail.com>
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