From: Roger Larsson <roger.larsson@optronic.se>
To: "'mikeg@weiden.de'" <mikeg@weiden.de>
Cc: "'linux-mm@kvack.org'" <linux-mm@kvack.org>
Subject: Re: kswapd eating too much CPU on ac16/ac18
Date: Fri, 16 Jun 2000 11:56:20 +0200 [thread overview]
Message-ID: <01BFD78B.22578410@lando.optronic.se> (raw)
Ohh,
This code was new at that time...
I have found out that most pages are not freed due to this check.
See "instrumentation patch for shrink_mmap to find cause of failures - it did :-)"
Please try to remove only this test to get a comparable result.
It might lead to infinite loops...
/RogerL
@@ -317,28 +326,34 @@
goto cache_unlock_continue;
/*
+ * Page is from a zone we don't care about.
+ * Don't drop page cache entries in vain.
+ */
+ if (page->zone->free_pages > page->zone->pages_high)
+ goto cache_unlock_continue;
--
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next reply other threads:[~2000-06-16 9:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-16 9:56 Roger Larsson [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-06-17 19:43 Cesar Eduardo Barros
2000-06-17 21:34 ` Roger Larsson
2000-06-13 23:51 Cesar Eduardo Barros
2000-06-14 0:00 ` Alan Cox
2000-06-14 0:10 ` Cesar Eduardo Barros
2000-06-16 5:45 ` Mike Galbraith
2000-06-16 15:08 ` Rik van Riel
2000-06-17 3:05 ` Cesar Eduardo Barros
2000-06-17 4:04 ` Mike Galbraith
2000-06-17 14:06 ` Cesar Eduardo Barros
2000-06-17 15:25 ` Mike Galbraith
2000-06-17 15:23 ` Rik van Riel
2000-06-17 15:33 ` Rik van Riel
2000-06-19 21:22 ` Goswin Brederlow
2000-06-18 6:26 ` Mike Galbraith
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