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Date: Sat, 9 Jan 1999 13:11:45 +0100 (CET)
From: Andrea Arcangeli <andrea@e-mind.com>
Subject: Re: arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]]
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To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>, "Eric W. Biederman" <ebiederm+eric@ccr.net>, steve@netplus.net, brent verner <damonbrent@earthlink.net>, "Garst R. Reese" <reese@isn.net>, Kalle Andersson <kalle.andersson@mbox303.swipnet.se>, Zlatko Calusic <Zlatko.Calusic@CARNet.hr>, Ben McCann <bmccann@indusriver.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>, bredelin@ucsd.edu, linux-kernel@vger.rutgers.edu, Rik van Riel <H.H.vanRiel@phys.uu.nl>, linux-mm@kvack.org
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On Sat, 9 Jan 1999, Stephen C. Tweedie wrote:

> couple of years at least: a large write() to a mmap()ed file can
> deadlock for a similar reason, but on the inode write lock instead of
> the superblock lock.

Right. Look at the Oops report I generated at deadlock time and you'll see
that my kernel deadlocked in filemap_write_page() on the inode semaphore. 

Andrea Arcangeli

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