From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Dave McCracken <dmccr@us.ibm.com>, Andrew Morton <akpm@digeo.com>
Cc: zilvinas@gemtek.lt, helgehaf@aitel.hist.no,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2.5.62-mm3] objrmap fix for X
Date: Wed, 26 Feb 2003 09:52:13 -0800 [thread overview]
Message-ID: <14910000.1046281932@[10.10.2.4]> (raw)
In-Reply-To: <40780000.1046240068@[10.10.2.4]>
>>> It occurred to me I'm already using (abusing?) the flag for nonlinear
>>> pages, so I have to keep it. I'll chase solutions for X.
>>
>> Ok, the vm_ops->nopage function is set in drivers like drm and agp. I
>> don't think it's reasonable to require all of them to set PageAnon. So
>> here's a patch that tests the page on do_no_page and sets the flag
>> appropriately.
>
> Well, it runs fine, but I get truly freaky performance results. My machine
> might have gone wacko on me or something - the patch seems perfectly
> simple to me. Kernbench is all over the map - user and elapsed way up,
> system is down. Ummm .. probably all too strange to be true, and I've
> made a mistake, but if some more sane person than I could run a quick
> test, would help.
Pah. Debian stealth-upgraded me to gcc 3.2 ... no wonder it's slow as a
dog. So your patch is stable, and works just fine. Sorry,
M.
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next prev parent reply other threads:[~2003-02-26 17:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-24 7:00 2.5.62-mm3 Andrew Morton
2003-02-24 12:26 ` 2.5.62-mm3 - no X for me Helge Hafting
2003-02-24 20:16 ` Andrew Morton
2003-02-25 9:45 ` Zilvinas Valinskas
2003-02-25 9:55 ` Andrew Morton
2003-02-25 17:57 ` Dave McCracken
2003-02-25 21:27 ` Andrew Morton
2003-02-25 21:46 ` Dave McCracken
2003-02-25 23:02 ` [PATCH 2.5.62-mm3] objrmap fix for X Dave McCracken
2003-02-26 6:14 ` Martin J. Bligh
2003-02-26 17:52 ` Martin J. Bligh [this message]
2003-02-26 18:03 ` Marc-Christian Petersen
2003-02-26 18:24 ` Martin J. Bligh
2003-03-01 9:31 ` Anton Blanchard
2003-02-25 18:49 ` 2.5.62-mm3 -Panics during dbt2 run Cliff White
2003-02-25 19:12 ` Andrew Morton
2003-02-25 22:37 ` 2.5.62-mm3 -DBT2 (was) " Cliff White
2003-02-24 18:04 ` 2.5.62-mm3 won't mount root Steven Cole
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