From: Nick Piggin <nickpiggin@yahoo.com.au>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] top level scheduler domain for ia64
Date: Wed, 20 Oct 2004 00:02:04 +0000 [thread overview]
Message-ID: <4175AAFC.5060903@yahoo.com.au> (raw)
In-Reply-To: <200410191427.27336.jbarnes@engr.sgi.com>
Jesse Barnes wrote:
> Some have noticed that the overlapping sched domains code doesn't quite work
> as intended (it results in disjoint domains on some machines), and that a top
> level, machine spanning domain is needed. This patch from John Hawkes adds
> it to the ia64 code. This allows processes to run on all CPUs in large
> systems, though balancing is limited. It should go to Linus soon now
> otherwise large systems will only have ~16p (depending on topology) usable by
> the scheduler. I sanity checked it on a small system after rediffing John's
> original, and he's done some testing on very large systems.
>
> Nick, can you buy off on the sched.c change? Alternatively, do you want to
> send that fix separately John?
No, that looks good. It is a pretty trivial change so I think its harmless
to go in with this patch.
I'd consider increasing balancing rates for the SD_NODE_INIT domains after
this patch goes in too.
next prev parent reply other threads:[~2004-10-20 0:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-19 21:27 [PATCH] top level scheduler domain for ia64 Jesse Barnes
2004-10-20 0:02 ` Nick Piggin [this message]
2004-10-20 17:48 ` Luck, Tony
2004-10-20 18:02 ` Nick Piggin
2004-10-20 18:03 ` Jesse Barnes
2004-10-21 14:11 ` Xavier Bru
2004-10-21 14:34 ` Nick Piggin
2004-10-28 9:29 ` Takayoshi Kochi
2004-10-28 15:26 ` Jesse Barnes
2004-11-01 6:35 ` Takayoshi Kochi
2004-11-01 17:07 ` Jesse Barnes
2004-11-01 17:16 ` Matthew Wilcox
2004-11-01 18:36 ` Jesse Barnes
2004-11-01 18:53 ` Luck, Tony
2004-11-01 19:02 ` Jesse Barnes
2004-11-01 19:45 ` Luck, Tony
2004-11-01 22:39 ` Jesse Barnes
2004-11-02 0:12 ` Zou, Nanhai
2004-11-02 7:36 ` Takayoshi Kochi
2004-11-02 8:48 ` Gerald Pfeifer
2004-11-02 9:31 ` Takayoshi Kochi
2004-11-02 21:31 ` Luck, Tony
2004-11-03 6:15 ` Takayoshi Kochi
2004-11-03 16:22 ` Jesse Barnes
2004-11-03 16:57 ` Luck, Tony
2004-11-03 17:04 ` Jesse Barnes
2004-11-08 17:31 ` John Hawkes
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