From: Andrea Arcangeli <andrea@suse.de>
To: Ben LaHaise <bcrl@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Rik van Riel <riel@conectiva.com.br>,
linux-kernel@vger.kernel.org
Subject: Re: Linux-2.4.5
Date: Sat, 26 May 2001 05:11:56 +0200 [thread overview]
Message-ID: <20010526051156.S9634@athlon.random> (raw)
In-Reply-To: <20010526043835.R9634@athlon.random> <Pine.LNX.4.33.0105252243570.3806-100000@toomuch.toronto.redhat.com>
In-Reply-To: <Pine.LNX.4.33.0105252243570.3806-100000@toomuch.toronto.redhat.com>; from bcrl@redhat.com on Fri, May 25, 2001 at 10:49:38PM -0400
On Fri, May 25, 2001 at 10:49:38PM -0400, Ben LaHaise wrote:
> Highmem. 0 free pages in ZONE_NORMAL. Now try to allocate a buffer_head.
That's a longstanding deadlock, it was there the first time I read
fs/buffer.c, nothing related to highmem, we have it in 2.2 too. Also
getblk is deadlock prone in a smiliar manner.
Can you try to simply change NR_RESERVED to say 200*MAX_BUF_PER_PAGE and
see if it makes a difference? The unused_list logic doesn't give a
guarantee either and it's one of the "hiding" logics, but it was working
pretty well usually, maybe something changed that needs more than 2
pages (16 bh) reserved?
Andrea
next prev parent reply other threads:[~2001-05-26 3:12 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-25 20:00 [with-PATCH-really] highmem deadlock removal, balancing & cleanup Rik van Riel
2001-05-25 20:00 ` Rik van Riel
2001-05-25 21:12 ` Linus Torvalds
2001-05-25 22:20 ` Rik van Riel
2001-05-25 23:05 ` Linus Torvalds
2001-05-25 23:13 ` Alan Cox
2001-05-25 23:19 ` Rik van Riel
2001-05-26 0:02 ` Linus Torvalds
2001-05-26 0:07 ` Rik van Riel
2001-05-26 0:16 ` Linus Torvalds
2001-05-26 0:23 ` Linus Torvalds
2001-05-26 0:26 ` Rik van Riel
2001-05-26 0:30 ` Linus Torvalds
2001-05-26 0:29 ` Ben LaHaise
2001-05-26 0:34 ` Linus Torvalds
2001-05-26 0:38 ` Rik van Riel
2001-05-26 1:28 ` Linux-2.4.5 Linus Torvalds
2001-05-26 1:35 ` Linux-2.4.5 Rik van Riel
2001-05-26 1:39 ` Linux-2.4.5 Ben LaHaise
2001-05-26 1:59 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 2:11 ` Linux-2.4.5 Ben LaHaise
2001-05-26 2:38 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 2:49 ` Linux-2.4.5 Ben LaHaise
2001-05-26 3:11 ` Andrea Arcangeli [this message]
2001-05-26 4:22 ` Linux-2.4.5 Linus Torvalds
2001-05-26 4:31 ` Linux-2.4.5 Rik van Riel
2001-05-26 8:10 ` Linux-2.4.5 Linus Torvalds
2001-05-26 9:01 ` Linux-2.4.5 Linus Torvalds
2001-05-26 9:18 ` Linux-2.4.5 arjan
2001-05-26 14:18 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 14:21 ` Linux-2.4.5 Rik van Riel
2001-05-26 14:38 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 14:40 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:17 ` Linux-2.4.5 Linus Torvalds
2001-05-26 15:28 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:59 ` Linux-2.4.5 Linus Torvalds
2001-05-26 22:12 ` Linux-2.4.5 Marcelo Tosatti
2001-05-27 6:53 ` Linux-2.4.5 Marcelo Tosatti
2001-06-03 23:32 ` Linux-2.4.5 Linus Torvalds
2001-06-05 2:21 ` Linux-2.4.5 Marcelo Tosatti
2001-05-26 15:09 ` Linux-2.4.5 Linus Torvalds
2001-05-26 15:18 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:24 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 15:26 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:40 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 4:45 ` Linux-2.4.5 Rik van Riel
2001-05-26 4:47 ` Linux-2.4.5 Rik van Riel
2001-05-26 6:07 ` Linux-2.4.5 Ben LaHaise
2001-05-26 14:32 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 14:36 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:03 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 15:08 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:20 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 15:41 ` Linux-2.4.5 Rik van Riel
2001-05-26 0:42 ` [with-PATCH-really] highmem deadlock removal, balancing & cleanup Andrea Arcangeli
2001-05-26 0:52 ` Ben LaHaise
2001-05-26 1:27 ` Andrea Arcangeli
2001-05-26 1:38 ` Ben LaHaise
2001-05-26 1:49 ` Andrea Arcangeli
2001-05-26 2:01 ` Ben LaHaise
2001-05-26 2:26 ` Andrea Arcangeli
2001-05-26 2:40 ` Ben LaHaise
2001-05-26 1:43 ` Rik van Riel
2001-05-25 22:35 ` Rik van Riel
2001-05-25 23:07 ` Linus Torvalds
[not found] <20010526171459.Y9634@athlon.random>
2001-05-26 15:22 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:30 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 15:51 ` Linux-2.4.5 Rik van Riel
2001-05-26 16:04 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 15:23 ` Linux-2.4.5 Linus Torvalds
2001-05-26 15:31 ` Linux-2.4.5 Rik van Riel
2001-05-26 15:38 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 16:03 ` Linux-2.4.5 Linus Torvalds
2001-05-26 18:11 ` Linux-2.4.5 Ben LaHaise
2001-05-26 18:31 ` Linux-2.4.5 Andrea Arcangeli
2001-05-26 19:42 ` Linux-2.4.5 Ingo Molnar
2001-05-26 19:56 ` Linux-2.4.5 Andrea Arcangeli
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