From: David Howells <dhowells@redhat.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: downgrade_write replacement in remap_file_pages
Date: Tue, 08 Jun 2004 18:05:08 +0100 [thread overview]
Message-ID: <20586.1086714308@redhat.com> (raw)
In-Reply-To: <20040608154438.GK18083@dualathlon.random>
> Apparently downgrade_write deadlocks the kernel in the mmap_sem
> under load.
Which implementation of rwsems is your kernel using? The spinlock-based one or
the XADD based one? Have you tried the other version?
Have you more than 32767 processes?
Do you have any stack traces?
David
next prev parent reply other threads:[~2004-06-08 17:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-08 15:44 downgrade_write replacement in remap_file_pages Andrea Arcangeli
2004-06-08 16:31 ` Andrew Morton
2004-06-08 16:39 ` Linus Torvalds
2004-06-08 19:04 ` David Howells
2004-06-08 17:05 ` David Howells [this message]
2004-06-08 22:33 ` Andrea Arcangeli
2004-06-08 19:36 ` William Lee Irwin III
2004-06-08 22:52 ` Andrea Arcangeli
2004-06-09 12:19 ` [PATCH] A generic_file_sendpage() Alexander Nyberg
2004-06-10 19:49 ` Pavel Machek
2004-06-25 19:19 ` Jörn Engel
2004-06-25 19:46 ` viro
2004-06-25 20:03 ` Jörn Engel
2004-06-26 0:53 ` Trond Myklebust
2004-06-28 11:41 ` Jörn Engel
2004-06-25 20:05 ` Andreas Dilger
2004-06-25 20:09 ` Jörn Engel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20586.1086714308@redhat.com \
--to=dhowells@redhat.com \
--cc=akpm@osdl.org \
--cc=andrea@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.