Re: Page aging broken in 2.6

From: Davide Libenzi
Date: Fri Dec 26 2003 - 14:46:33 EST


On Fri, 26 Dec 2003, Arjan van de Ven wrote:

>
> > > And we never flush the TLB entry.
> > >
> > > I don't know if x86 (or other archs really using page tables) will
> > > actually set the referenced bit again in the PTE if it's already set
> > > in the TLB, if not, then x86 needs a flush too.
> >
> > x86 needs a flush_tlb_page(), yes.
>
> it does? Are you 100% sure ?

According to the Intel doc #24319202, section 3.7, it is OS responsibility
to invalidate the TLB entry.



- Davide


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