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From: William Lee Irwin III <wli@holomorphy.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Panic on 2.6.0-test1-mm1
Date: Thu, 31 Jul 2003 18:02:16 -0700	[thread overview]
Message-ID: <20030801010216.GN15452@holomorphy.com> (raw)
In-Reply-To: <393910000.1059699469@flay>

At some point in the past, I wrote:
>> pgd_dtor() will never be called on PAE due to the above code (thanks to
>> the PTRS_PER_PMD check), _unless_ mingo's patch is applied (which backs
>> out the PTRS_PER_PMD check).

On Thu, Jul 31, 2003 at 05:57:49PM -0700, Martin J. Bligh wrote:
> OK, might have made a mistake ... I can rerun it if you want, but the 
> latest kernel seems to work now.

There was a spinlock acquisition in there, too, so if you're seeing
weird performance effects in an update (not sure if there are any yet),
generating a patch to skip that, the list op, and not install pgd_dtor()
when PTRS_PER_PMD == 1 is in order.


-- wli

      reply	other threads:[~2003-08-01  1:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-29 14:37 Panic on 2.6.0-test1-mm1 Martin J. Bligh
2003-07-29 21:18 ` Martin J. Bligh
2003-07-30 15:01   ` 2.6.0-test2-mm1 results Martin J. Bligh
2003-07-30 15:28     ` Con Kolivas
2003-07-30 16:27       ` Martin J. Bligh
2003-07-31 14:56       ` Martin J. Bligh
2003-07-31 15:13         ` Con Kolivas
2003-07-31 15:19           ` Martin J. Bligh
2003-07-31 15:35             ` Con Kolivas
2003-07-31 16:01               ` Martin J. Bligh
2003-07-31 16:11                 ` Con Kolivas
2003-07-31 21:19             ` William Lee Irwin III
2003-07-31 17:03           ` Bill Davidsen
2003-07-31 22:37 ` Panic on 2.6.0-test1-mm1 William Lee Irwin III
2003-07-31 22:41   ` William Lee Irwin III
2003-07-31 22:40     ` Andrew Morton
2003-08-01  0:15       ` William Lee Irwin III
2003-08-01  0:18         ` Zwane Mwaikambo
2003-08-01  0:20         ` William Lee Irwin III
2003-08-01  0:47   ` Martin J. Bligh
2003-08-01  0:53     ` William Lee Irwin III
2003-08-01  0:57       ` Martin J. Bligh
2003-08-01  1:02         ` William Lee Irwin III [this message]

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