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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: linux-ia64@vger.kernel.org
Subject: Re: ia64 mmu_gather question
Date: Thu, 02 Aug 2007 22:32:22 +0000	[thread overview]
Message-ID: <1186093942.5495.634.camel@localhost.localdomain> (raw)
In-Reply-To: <1186026055.5495.585.camel@localhost.localdomain>

On Thu, 2007-08-02 at 16:07 -0600, David Mosberger-Tang wrote:
> Do keep in mind that there is a hardware walker, too! ;-)

Yup, I know. Your TLB miss rate gets lower as you fault in the page
table pages, though it's still higher than a full tree walker. How big
is the TLB btw ?

Ben.



  parent reply	other threads:[~2007-08-02 22:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-02  3:40 ia64 mmu_gather question Benjamin Herrenschmidt
2007-08-02  5:38 ` Luck, Tony
2007-08-02  7:09 ` Benjamin Herrenschmidt
2007-08-02  7:57 ` Benjamin Herrenschmidt
2007-08-02 17:16 ` Luck, Tony
2007-08-02 21:46 ` Benjamin Herrenschmidt
2007-08-02 21:56 ` Luck, Tony
2007-08-02 22:00 ` Benjamin Herrenschmidt
2007-08-02 22:07 ` David Mosberger-Tang
2007-08-02 22:32 ` Benjamin Herrenschmidt [this message]
2007-08-03  3:22 ` Tony Luck

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