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From: Paul Jackson <pj@sgi.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: akpm@linux-foundation.org, menage@google.com,
	linux-kernel@vger.kernel.org, dino@in.ibm.com, cpw@sgi.com,
	mingo@elte.hu
Subject: Re: [PATCH] cpuset and sched domains: sched_load_balance flag
Date: Wed, 3 Oct 2007 05:41:49 -0700	[thread overview]
Message-ID: <20071003054149.a18b0547.pj@sgi.com> (raw)
In-Reply-To: <200710030553.27822.nickpiggin@yahoo.com.au>

> pdflush
> is not pinned at all and can be dynamically created and destroyed. Ditto
> for kjournald, as well as many others.

Whatever is not pinned is moved out of the top cpuset, on the kind of
systems I'm most familiar with.  They are put in a smaller cpuset, with
load balancing, that is sized for the workload they might present, but
kept separate from the main jobs.

> Basically: it doesn't feel like a satisfactory solution to brush
> these under the carpet.

We don't do a whole lot of brushing under the carpet on these kind of
systems.  If I gave you the impression we do, then I misled you - sorry.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401

  reply	other threads:[~2007-10-03 12:42 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-30 10:44 [PATCH] cpuset and sched domains: sched_load_balance flag Paul Jackson
2007-09-29 19:21 ` Nick Piggin
2007-09-30 18:07   ` Paul Jackson
2007-09-30  3:34     ` Nick Piggin
2007-10-01  3:42       ` Paul Jackson
2007-10-02 13:05         ` Nick Piggin
2007-10-03  6:58           ` Paul Jackson
2007-10-02 16:09             ` Nick Piggin
2007-10-03  9:55               ` Paul Jackson
2007-10-02 17:56                 ` Nick Piggin
2007-10-03 11:38                   ` Paul Jackson
2007-10-02 19:25                     ` Nick Piggin
2007-10-03 12:14                       ` Paul Jackson
2007-10-02 19:53                         ` Nick Piggin
2007-10-03 12:41                           ` Paul Jackson [this message]
2007-10-02 20:30                             ` Nick Piggin
2007-10-03 17:46                               ` Paul Jackson
2007-10-03 12:17                   ` Paul Jackson
2007-10-02 20:31                     ` Nick Piggin
2007-10-03 17:44                       ` Paul Jackson
2007-10-01 18:15       ` Paul Jackson
2007-10-02 13:35         ` Nick Piggin
2007-10-03  6:22           ` [patch] sched: fix sched-domains partitioning by cpusets Ingo Molnar
2007-10-03  6:56             ` Paul Jackson
2007-10-02 15:46               ` Nick Piggin
2007-10-03  9:21                 ` Paul Jackson
2007-10-02 17:23                   ` Nick Piggin
2007-10-03 10:08                     ` Paul Jackson
2007-10-03  9:35                   ` Ingo Molnar
2007-10-03  9:39                     ` Paul Jackson
2007-10-02 17:29                       ` Nick Piggin
2007-10-03  7:20               ` Ingo Molnar
2007-10-03  7:25           ` [PATCH] cpuset and sched domains: sched_load_balance flag Paul Jackson
2007-10-02 16:14             ` Nick Piggin
2007-09-30 10:44 ` [PATCH] cpuset decrustify update and validate masks Paul Jackson
2007-09-30 17:33 ` [PATCH] cpuset and sched domains: sched_load_balance flag Ingo Molnar
2007-10-02 20:22 ` Randy Dunlap
2007-10-02 20:57   ` Paul Jackson

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