Subject: Re: largepage success
To: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
From: Jason R Thorpe <thorpej@zembu.com>
List: port-i386
Date: 09/11/2000 11:08:38
On Fri, Sep 08, 2000 at 04:26:01PM -0400, Bill Sommerfeld wrote:
> What cpu feature flags are enabled on the K6/II? (these should now be
> printed as part of the boot messages).
>
> My K6 reports PSE, but not PGE (pte global extension), which means it
> will be doing a full TLB flush on every context switch, which will
> likely significantly reduce how much you win from mapping the kernel
> with a large page.
Oh, yes, lack of PGE would certainly affect performance.
--
-- Jason R. Thorpe <thorpej@zembu.com>