From: Christoph Rohland <cr@sap.com>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: shm swapping in 2.4 again
Date: 17 Nov 2000 09:08:02 +0100 [thread overview]
Message-ID: <qwwsnorxbq5.fsf@sap.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0011161929080.13085-100000@duckman.distro.conectiva>
In-Reply-To: Rik van Riel's message of "Thu, 16 Nov 2000 19:30:46 -0200 (BRDT)"
Hi Rik,
On Thu, 16 Nov 2000, Rik van Riel wrote:
> On 16 Nov 2000, Christoph Rohland wrote:
>> Also we have to make sure to derefence the swap entry if the
>> last reference is in the shm segmant table .
>
> Why is this?
Because you never get a page fault on the shm segmants. So you never
will exchange a swap entry with a real page in these segments
automatically.
Actually I think the best approach would be to replace the entry on
the first swapin.
Greetings
Christoph
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prev parent reply other threads:[~2000-11-17 8:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-15 9:19 shm swapping in 2.4 again Christoph Rohland
2000-11-15 9:21 ` Christoph Rohland
2000-11-15 15:19 ` Rik van Riel
2000-11-15 20:52 ` Christoph Rohland
2000-11-15 21:04 ` Rik van Riel
2000-11-16 8:17 ` Christoph Rohland
2000-11-16 12:01 ` Rik van Riel
2000-11-16 19:17 ` Christoph Rohland
2000-11-16 21:31 ` Christoph Rohland
2000-11-16 21:30 ` Rik van Riel
2000-11-17 8:08 ` Christoph Rohland [this message]
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