From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Andrew Morton <akpm@zip.com.au>,
William Lee Irwin III <wli@holomorphy.com>
Cc: linux-kernel@vger.kernel.org, riel@surriel.com
Subject: Re: fix CONFIG_HIGHPTE
Date: Tue, 06 Aug 2002 22:16:04 -0700 [thread overview]
Message-ID: <1296174189.1028672155@[10.10.2.3]> (raw)
In-Reply-To: <3D506D43.890EA215@zip.com.au>
> And we'll need that, to reduce load on KM_PTECHAIN. Because
> there's no point in pte_highmem without also having pte_chain_highmem,
> yes?
I'm not sure I agree that there's no point. If we shove half the
overhead into highmem (well, maybe 1/3 depending if on your PTE size),
we can fit a workload double the size. Not to be sniffed at. 50% of
the benefit at 5% of the cost.
No, it doesn't completely solve the problem, but it's another hammer
to give it a good sturdy whack over the head with.
M.
prev parent reply other threads:[~2002-08-07 5:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-06 23:15 William Lee Irwin III
2002-08-07 0:43 ` Andrew Morton
2002-08-07 0:50 ` Rik van Riel
2002-08-07 1:31 ` William Lee Irwin III
2002-08-07 4:00 ` Rik van Riel
2002-08-07 4:12 ` William Lee Irwin III
2002-08-07 1:07 ` Anton Blanchard
2002-08-07 1:55 ` William Lee Irwin III
2002-08-07 2:57 ` Andrew Morton
2002-08-07 18:43 ` Ingo Oeser
2002-08-08 14:51 ` Rik van Riel
2002-08-08 19:59 ` Alan Cox
2002-08-08 18:44 ` Rik van Riel
2002-08-08 19:22 ` William Lee Irwin III
2002-08-08 14:51 ` Martin J. Bligh
2002-08-09 14:10 ` Daniel Phillips
2002-08-09 14:07 ` Daniel Phillips
2002-08-07 4:05 ` Rik van Riel
2002-08-07 4:18 ` Anton Blanchard
2002-08-07 5:16 ` Martin J. Bligh [this message]
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