From: David Howells <dhowells@redhat.com>
To: Changli Gao <xiaosuo@gmail.com>
Cc: dhowells@redhat.com, Ingo Molnar <mingo@elte.hu>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Davide Libenzi <davidel@xmailserver.org>,
Roland Dreier <rolandd@cisco.com>,
Stefan Richter <stefanr@s5r6.in-berlin.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <dada1@cosmosbay.com>,
Christoph Lameter <cl@linux.com>,
Andreas Herrmann <andreas.herrmann3@amd.com>,
Thomas Gleixner <tglx@linutronix.de>,
Takashi Iwai <tiwai@suse.de>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] sched: implement the exclusive wait queue as a LIFO queue
Date: Wed, 28 Apr 2010 10:32:02 +0100 [thread overview]
Message-ID: <8526.1272447122@redhat.com> (raw)
In-Reply-To: <1272430986-20436-1-git-send-email-xiaosuo@gmail.com>
Changli Gao <xiaosuo@gmail.com> wrote:
> @@ -50,6 +48,7 @@ struct wait_bit_queue {
> struct __wait_queue_head {
> spinlock_t lock;
> struct list_head task_list;
> + struct list_head task_list_ex;
It would be preferable it if you could avoid making struct __wait_queue_head
bigger. That will increase the size of a lot of things.
David
next prev parent reply other threads:[~2010-04-28 13:37 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-28 5:03 [RFC] sched: implement the exclusive wait queue as a LIFO queue Changli Gao
2010-04-28 6:22 ` Changli Gao
2010-04-28 8:05 ` Changli Gao
2010-04-28 7:47 ` Xiaotian Feng
2010-04-28 7:47 ` Xiaotian Feng
2010-04-28 7:52 ` Changli Gao
2010-04-28 7:52 ` Changli Gao
2010-04-28 8:15 ` Yong Zhang
2010-04-28 8:15 ` Yong Zhang
2010-04-28 8:23 ` Changli Gao
2010-04-28 9:25 ` Johannes Weiner
2010-04-28 9:29 ` David Howells
2010-04-28 11:17 ` Changli Gao
2010-04-28 11:17 ` Changli Gao
2010-04-28 13:21 ` David Howells
2010-04-28 13:21 ` Jamie Lokier
2010-04-28 13:21 ` Jamie Lokier
2010-04-28 13:42 ` Changli Gao
2010-04-28 15:25 ` Jamie Lokier
2010-04-28 15:49 ` Changli Gao
2010-04-28 18:57 ` Davide Libenzi
2010-04-28 9:32 ` David Howells [this message]
2010-04-28 13:56 ` Changli Gao
2010-04-28 13:56 ` Changli Gao
2010-04-28 14:06 ` David Howells
2010-04-28 14:53 ` Changli Gao
2010-04-28 14:53 ` Changli Gao
2010-04-28 15:00 ` David Howells
2010-04-28 15:33 ` Changli Gao
2010-04-28 15:33 ` Changli Gao
2010-04-28 9:34 ` David Howells
2010-04-28 13:47 ` Changli Gao
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