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SubjectRe: Slowdown with randomize_va_space in 2.6.12.2
FromArjan van de Ven <>
DateThu, 07 Jul 2005 08:46:03 +0200
On Wed, 2005-07-06 at 23:41 -0700, Andrew Morton wrote:
> Arjan van de Ven <arjan@infradead.org> wrote:
> >
> > > > On Transmeta CPUs that probably triggers a retranslation of
> >  > > x86->native bytecode, if it thinks it hasn't seen code at that
> >  > > address before.
> >  > > 
> >  > 
> >  > ouch.   What do we do?  Default to off?  Default to off on xmeta?
> > 
> >  off-on-xmeta would be my preference; I'll cook up a patch for that.
> 
> Well we seem to have several people reporting problems of various sorts
> with that patch?

actually we have several people reporting problems that started around
the time the patch got merged. There's very few cases that actually go
away when disabling this. (there's the weird kernel build one and we're
waiting on a good maps on that one)

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