From: Andrea Arcangeli <andrea@suse.de>
To: "David S. Miller" <davem@redhat.com>
Cc: marcelo@conectiva.com.br, torvalds@transmeta.com,
linux-kernel@vger.kernel.org
Subject: Re: Locking comment on shrink_caches()
Date: Wed, 26 Sep 2001 00:01:02 +0200 [thread overview]
Message-ID: <20010926000102.G8350@athlon.random> (raw)
In-Reply-To: <20010925.125758.94556009.davem@redhat.com> <Pine.LNX.4.21.0109251539150.2193-100000@freak.distro.conectiva> <20010925.131528.78383994.davem@redhat.com>
In-Reply-To: <20010925.131528.78383994.davem@redhat.com>; from davem@redhat.com on Tue, Sep 25, 2001 at 01:15:28PM -0700
On Tue, Sep 25, 2001 at 01:15:28PM -0700, David S. Miller wrote:
> I do think it's silly to hold the pagecache_lock during pure scanning
> activities of shrink_caches().
Indeed again.
> It is known that pagecache_lock is the biggest scalability issue on
> large SMP systems, and thus the page cache locking patches Ingo and
> myself did.
yes.
IMHO if we would hold the pagecache lock all the time while shrinking
the cache, then we could kill the lru lock in first place.
Andrea
next prev parent reply other threads:[~2001-09-25 22:01 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 17:49 Locking comment on shrink_caches() Marcelo Tosatti
2001-09-25 19:57 ` David S. Miller
2001-09-25 18:40 ` Marcelo Tosatti
2001-09-25 20:15 ` David S. Miller
2001-09-25 19:02 ` Marcelo Tosatti
2001-09-25 20:29 ` David S. Miller
2001-09-25 21:00 ` Benjamin LaHaise
2001-09-25 21:55 ` David S. Miller
2001-09-25 22:16 ` Benjamin LaHaise
2001-09-25 22:28 ` David S. Miller
2001-09-26 16:40 ` Alan Cox
2001-09-26 17:25 ` Linus Torvalds
2001-09-26 17:40 ` Alan Cox
2001-09-26 17:44 ` Linus Torvalds
2001-09-26 18:01 ` Benjamin LaHaise
2001-09-26 18:01 ` Dave Jones
2001-09-26 20:20 ` Vojtech Pavlik
2001-09-26 20:24 ` Vojtech Pavlik
2001-09-26 17:43 ` Richard Gooch
2001-09-26 18:24 ` Benjamin LaHaise
2001-09-26 18:48 ` Richard Gooch
2001-09-26 18:58 ` Davide Libenzi
2001-09-26 17:45 ` Dave Jones
2001-09-26 17:50 ` Alan Cox
2001-09-26 17:59 ` Dave Jones
2001-09-26 18:07 ` Alan Cox
2001-09-26 18:09 ` Padraig Brady
2001-09-26 18:22 ` Dave Jones
2001-09-26 18:24 ` Linus Torvalds
2001-09-26 18:40 ` Dave Jones
2001-09-26 19:12 ` Linus Torvalds
2001-09-27 12:22 ` CPU frequency shifting "problems" Padraig Brady
2001-09-27 12:44 ` Dave Jones
2001-09-27 23:23 ` Linus Torvalds
2001-09-28 0:55 ` Alan Cox
2001-09-28 2:12 ` Stefan Smietanowski
2001-09-28 8:55 ` Jamie Lokier
2001-09-28 16:11 ` Linus Torvalds
2001-09-28 20:29 ` Eric W. Biederman
2001-09-28 22:24 ` Jamie Lokier
2001-09-26 19:04 ` Locking comment on shrink_caches() George Greer
2001-09-26 18:59 ` George Greer
2001-09-26 23:26 ` David S. Miller
2001-09-27 12:10 ` Alan Cox
2001-09-27 15:38 ` Linus Torvalds
2001-09-27 17:44 ` Ingo Molnar
2001-09-27 19:41 ` David S. Miller
2001-09-27 22:59 ` Alan Cox
2001-09-25 22:03 ` Andrea Arcangeli
2001-09-25 20:24 ` Rik van Riel
2001-09-25 20:28 ` David S. Miller
2001-09-25 21:05 ` Andrew Morton
2001-09-25 21:48 ` David S. Miller
[not found] ` <200109252215.f8PMFDa02034@eng2.beaverton.ibm.com>
2001-09-25 22:26 ` David S. Miller
2001-09-26 17:42 ` Ingo Molnar
2001-09-25 22:01 ` Andrea Arcangeli [this message]
2001-09-25 22:03 ` David S. Miller
2001-09-25 22:59 ` Andrea Arcangeli
2001-09-25 20:40 ` Josh MacDonald
2001-09-25 19:25 ` Marcelo Tosatti
2001-09-25 21:57 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2001-09-26 5:04 Dipankar Sarma
2001-09-26 5:31 ` Andrew Morton
2001-09-26 6:57 ` David S. Miller
2001-09-26 7:08 ` Dipankar Sarma
2001-09-26 16:52 ` John Hawkes
[not found] <fa.cbgmt3v.192gc8r@ifi.uio.no>
[not found] ` <fa.cd0mtbv.1aigc0v@ifi.uio.no>
[not found] ` <i1m66a5o1zc.fsf@verden.pvv.ntnu.no>
2001-09-27 1:34 ` Vojtech Pavlik
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