On Sat, Apr 19, 2008 at 04:23:29PM +0200, Ingo Molnar wrote:
quoted text
> 
> * Andrew Morton <akpm@linux-foundation.org> wrote:
> 
> > >  config 4KSTACKS
> > >  	bool "Use 4Kb for kernel stacks instead of 8Kb"
> > > -	depends on DEBUG_KERNEL
> > >  	depends on X86_32
> > > +	default y
> > 
> > This patch will cause kernels to crash.
> 
> what mainline kernels crash and how will they crash? Fedora and other 
> distros have had 4K stacks enabled for years:

If by other distros you mean RHEL then yes.  However, openSUSE,
Ubuntu, and Mandriva all still have 8K stacks.  I know of no other
distributions that default to 4K.

--
Shawn
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