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From: Oleg Nesterov <oleg@tv-sign.ru>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Perez-Gonzalez, Inaky" <inaky.perez-gonzalez@intel.com>,
	linux-kernel@vger.kernel.org, Daniel Walker <dwalker@mvista.com>
Subject: Re: [PATCH] Priority Lists for the RT mutex
Date: Mon, 09 May 2005 18:32:14 +0400	[thread overview]
Message-ID: <427F746E.612E2CB9@tv-sign.ru> (raw)
In-Reply-To: 20050509091133.GA25959@elte.hu

Ingo Molnar wrote:
> 
> What would be nice to achieve are [low-cost] reductions of the size of
> struct rt_mutex (in include/linux/rt_lock.h), upon which all other
> PI-aware locking objects are based. Right now it's 9 words, of which
> struct plist is 5 words. Would be nice to trim this to 8 words - which
> would give a nice round size of 32 bytes on 32-bit.

Yes, the size of pl_head in that patch is 4 words, it doesn't have ->prio.

Oleg.

  reply	other threads:[~2005-05-09 14:25 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-06 18:13 [PATCH] Priority Lists for the RT mutex Perez-Gonzalez, Inaky
2005-05-07  7:25 ` Oleg Nesterov
2005-05-09  7:30   ` Ingo Molnar
2005-05-09  8:08     ` Oleg Nesterov
2005-05-09  9:11       ` Ingo Molnar
2005-05-09 14:32         ` Oleg Nesterov [this message]
2005-05-09 18:13         ` Daniel Walker
2005-05-09 19:21           ` Steven Rostedt
2005-05-09 21:29             ` Daniel Walker
2005-05-09 22:15               ` Daniel Walker
2005-05-09 14:07   ` Daniel Walker
  -- strict thread matches above, loose matches on Subject: below --
2005-05-06  9:05 Oleg Nesterov
2005-05-06 11:13 ` Oleg Nesterov
2005-05-06 18:56   ` Daniel Walker
2005-04-12  0:36 Perez-Gonzalez, Inaky
2005-04-11 23:28 Perez-Gonzalez, Inaky
2005-04-12  0:27 ` Bill Huey
2005-04-11 22:31 Perez-Gonzalez, Inaky
2005-04-11 23:11 ` Bill Huey
2005-04-11  9:03 Perez-Gonzalez, Inaky
2005-04-11  8:49 Perez-Gonzalez, Inaky
2005-04-11  8:57 ` Ingo Molnar
2005-04-11 22:17   ` Bill Huey
2005-04-12 20:35   ` Esben Nielsen
2005-04-11  8:27 Perez-Gonzalez, Inaky
2005-04-11  8:42 ` Ingo Molnar
2005-04-08 23:05 Perez-Gonzalez, Inaky
2005-04-08 21:25 Perez-Gonzalez, Inaky
2005-04-08 22:53 ` Daniel Walker
2005-04-07 17:52 Daniel Walker
2005-04-08  6:28 ` Ingo Molnar
2005-04-08  8:05   ` Sven-Thorsten Dietrich
2005-04-10 11:09     ` Ingo Molnar
2005-04-12 17:56       ` Daniel Walker
2005-04-08 17:11   ` Daniel Walker
2005-04-10 10:53 ` Ingo Molnar
2005-04-11 16:19   ` Daniel Walker
2005-04-12 18:37 ` Paul E. McKenney

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