From: William Lee Irwin III <wli@holomorphy.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] Convert pgtable cache to slab
Date: Tue, 15 Feb 2005 20:15:19 +0000 [thread overview]
Message-ID: <20050215201519.GA13009@holomorphy.com> (raw)
In-Reply-To: <yq1wtxnprkq.fsf@wilson.mkp.net>
On Tue, 15 Feb 2005 13:31:48 -0600, Robin Holt <holt@sgi.com> said:
Robin> Is there a strong objection to implementing 4 levels of 16k
Robin> page tables for now and then, if someone else sees a need,
Robin> convert to using long page table format and adjust page
Robin> tables as needed at that point in time.
On Tue, Feb 15, 2005 at 11:46:21AM -0800, David Mosberger wrote:
> I certainly don't want to switch my machines to 4-levels. There is
> zero need for that on the machines I use, so why pay the overhead of
> an extra level?
> BTW: why do you want 4-level/16KB over 3-level/64KB?
It may be worth noticing that things like fault latency and small
writes degrade with increased pagesize, though I seem to recall hearing
that this effect was less pronounced or did not set in at 64KB on ia64.
-- wli
next prev parent reply other threads:[~2005-02-15 20:15 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-18 22:52 [PATCH] Convert pgtable cache to slab Martin K. Petersen
2004-10-19 4:08 ` Luck, Tony
2004-10-19 15:59 ` Martin K. Petersen
2005-02-10 20:29 ` Robin Holt
2005-02-10 20:38 ` Luck, Tony
2005-02-11 18:35 ` Robin Holt
2005-02-11 18:51 ` Luck, Tony
2005-02-11 19:33 ` Robin Holt
2005-02-14 16:33 ` Robin Holt
2005-02-14 19:18 ` Luck, Tony
2005-02-15 12:02 ` Robin Holt
2005-02-15 18:07 ` David Mosberger
2005-02-15 18:29 ` Luck, Tony
2005-02-15 19:31 ` Robin Holt
2005-02-15 19:46 ` David Mosberger
2005-02-15 19:57 ` Robin Holt
2005-02-15 19:59 ` Robin Holt
2005-02-15 20:03 ` David Mosberger
2005-02-15 20:08 ` Robin Holt
2005-02-15 20:15 ` William Lee Irwin III [this message]
2005-02-15 20:25 ` Luck, Tony
2005-02-15 20:26 ` David Mosberger
2005-02-17 17:22 ` Jack Steiner
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