From: "Stephen C. Tweedie" <sct@redhat.com>
To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
andrea@suse.de, torvalds@transmeta.com, linux-mm@kvack.org
Subject: Re: filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Fix swapoff races
Date: Tue, 29 Jun 1999 12:44:59 +0100 (BST) [thread overview]
Message-ID: <14200.45499.255924.339550@dukat.scot.redhat.com> (raw)
In-Reply-To: <199906282343.QAA02075@google.engr.sgi.com>
Hi,
On Mon, 28 Jun 1999 16:43:59 -0700 (PDT), kanoj@google.engr.sgi.com
(Kanoj Sarcar) said:
> This will almost always work, except theoretically, you still can
> not guarantee forward progress, unless you can stop forks() from
> happening. That is, given a high enough rate of forking, swapoff
> is never going to terminate.
Then repeat until it converges, ie. until you have no swap entries left.
No big deal. Unless the swapoff sweep and the fork are running over pid
space at exactly the same rate forever (which we do not have to worry
about!), you will make progress.
--Stephen
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next prev parent reply other threads:[~1999-06-29 11:44 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-06-21 5:29 filecache/swapcache questions Kanoj Sarcar
1999-06-21 11:25 ` Stephen C. Tweedie
1999-06-21 16:46 ` Kanoj Sarcar
1999-06-21 16:57 ` Stephen C. Tweedie
1999-06-21 17:36 ` Kanoj Sarcar
1999-06-21 17:49 ` Stephen C. Tweedie
1999-06-21 18:46 ` Kanoj Sarcar
1999-06-21 23:44 ` Kanoj Sarcar
1999-06-24 22:23 ` Andrea Arcangeli
1999-06-24 23:55 ` Kanoj Sarcar
1999-06-25 0:26 ` Andrea Arcangeli
1999-06-28 1:48 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Fix swapoff races Kanoj Sarcar
1999-06-28 10:35 ` Andrea Arcangeli
1999-06-28 17:11 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Kanoj Sarcar
1999-06-28 16:32 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Fix swapoff races Stephen C. Tweedie
1999-06-28 17:25 ` Kanoj Sarcar
1999-06-28 20:40 ` Stephen C. Tweedie
1999-06-28 21:11 ` Kanoj Sarcar
1999-06-28 22:12 ` Stephen C. Tweedie
1999-06-28 23:43 ` Kanoj Sarcar
1999-06-29 11:44 ` Stephen C. Tweedie [this message]
1999-06-29 22:01 ` Kanoj Sarcar
1999-06-30 17:28 ` Stephen C. Tweedie
1999-06-30 18:05 ` Kanoj Sarcar
1999-06-28 19:39 ` Chuck Lever
1999-06-28 19:55 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Kanoj Sarcar
1999-06-28 20:33 ` Chuck Lever
1999-06-28 20:51 ` Kanoj Sarcar
1999-06-28 21:32 ` Chuck Lever
1999-06-28 21:38 ` Kanoj Sarcar
1999-06-28 21:50 ` Chuck Lever
1999-06-28 22:15 ` Kanoj Sarcar
1999-06-29 11:23 ` Stephen C. Tweedie
1999-06-29 17:36 ` Kanoj Sarcar
1999-06-28 22:22 ` Stephen C. Tweedie
1999-06-28 22:21 ` Stephen C. Tweedie
1999-06-28 22:57 ` Andrea Arcangeli
1999-06-29 2:13 ` Chuck Lever
1999-06-29 12:01 ` Stephen C. Tweedie
1999-06-29 12:32 ` Andrea Arcangeli
1999-06-30 15:59 ` Stephen C. Tweedie
1999-06-29 1:00 ` Chuck Lever
1999-06-28 22:08 ` Stephen C. Tweedie
1999-06-28 22:59 ` Andrea Arcangeli
1999-06-29 0:53 ` Chuck Lever
1999-06-29 11:14 ` Stephen C. Tweedie
1999-06-28 22:09 ` Stephen C. Tweedie
1999-06-28 20:45 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Fix swapoff races Stephen C. Tweedie
1999-06-28 21:14 ` Chuck Lever
1999-06-28 21:25 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Kanoj Sarcar
1999-06-28 22:15 ` filecache/swapcache questions [RFC] [RFT] [PATCH] kanoj-mm12-2.3.8 Fix swapoff races Stephen C. Tweedie
1999-06-28 22:48 ` Andrea Arcangeli
1999-06-29 1:29 ` Chuck Lever
1999-06-29 11:58 ` Stephen C. Tweedie
1999-06-29 12:09 ` Andrea Arcangeli
1999-06-29 15:27 ` Chuck Lever
1999-06-29 11:55 ` Stephen C. Tweedie
1999-06-29 20:08 ` Andrea Arcangeli
1999-06-28 22:36 ` filecache/swapcache questions Stephen C. Tweedie
1999-06-28 23:24 ` Kanoj Sarcar
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