From: "Paul Menage" <menage@google.com>
To: "Lai Jiangshan" <laijs@cn.fujitsu.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
"Paul Jackson" <pj@sgi.com>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] cpuset: Don't pass empty cpumasks to partition_sched_domains()
Date: Wed, 16 Jul 2008 00:14:32 -0700 [thread overview]
Message-ID: <6599ad830807160014t2ae6cb4dm5c273d612bf4522b@mail.gmail.com> (raw)
In-Reply-To: <487D6E49.7070805@cn.fujitsu.com>
On Tue, Jul 15, 2008 at 8:43 PM, Lai Jiangshan <laijs@cn.fujitsu.com> wrote:
> i create a lots of empty cpusets(empty cpumasks) and
> turn off the "sched_load_balance" in top cpuset.
>
> And i found that all these empty cpumasks are passed to
> partition_sched_domains() in rebuild_sched_domains(),
> it's very time-consuming for partition_sched_domains()
> and it's not need.
>
> It also reduce memory consumed and some works in
> rebuild_sched_domains() too.
>
> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Seems reasonable, and I don't think that it clashes with the other
outstanding rebuild_sched_domains() patches.
Paul
prev parent reply other threads:[~2008-07-16 7:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 3:43 Lai Jiangshan
2008-07-16 7:14 ` Paul Menage [this message]
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