From: Andrea Arcangeli <andrea@suse.de>
To: Christoph Rohland <hans-christoph.rohland@sap.com>
Cc: Ingo Molnar <mingo@chiara.csoma.elte.hu>,
Rik van Riel <riel@nl.linux.org>,
MM mailing list <linux-mm@kvack.org>,
woodman@missioncriticallinux.com,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [Patch] shm cleanups
Date: Fri, 5 Nov 1999 17:21:05 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.10.9911051718010.1871-100000@alpha.random> (raw)
In-Reply-To: <qwwzows9anf.fsf@sap.com>
On 5 Nov 1999, Christoph Rohland wrote:
>Yes I know it is questionable, but if prepare_highmem_swapout fails we
>are in the highmem area and probably most of the rest of shm is also
>there. So we only consume a lot of CPU if going on and calling
If prepare_highmem_swapout fails maybe all the regular pages are allocated
in the rest of the shm segment and to free them and do progresses you
should continue to properly shrink the VM.
>prepare_highmem_swapout again and again..
That will happen in the patological unlikely to happen case so the
performance of such path is not an issue.
Andrea
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next prev parent reply other threads:[~1999-11-05 16:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-11-03 21:30 Christoph Rohland
1999-11-04 8:10 ` Ingo Molnar
1999-11-04 12:40 ` Christoph Rohland
1999-11-04 17:58 ` Ingo Molnar
1999-11-04 19:02 ` Rik van Riel
1999-11-04 22:30 ` Ingo Molnar
1999-11-05 0:14 ` Andrea Arcangeli
1999-11-05 12:35 ` Christoph Rohland
1999-11-05 13:18 ` Andrea Arcangeli
1999-11-05 16:16 ` Christoph Rohland
1999-11-05 16:21 ` Andrea Arcangeli [this message]
1999-11-05 16:28 ` Christoph Rohland
1999-11-05 10:36 ` Christoph Rohland
-- strict thread matches above, loose matches on Subject: below --
1999-11-03 19:17 Christoph Rohland
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