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Date: Wed, 3 Aug 2005 09:51:29 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>,
       "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Jack Steiner <steiner@sgi.com>
Subject: Re: [patch 1/2] sched: reduce locking in newidle balancing
Message-ID: <20050803075129.GA6013@elte.hu>
References: <42EF65A9.1060408@yahoo.com.au> <42EF65FF.2000102@yahoo.com.au>
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* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> Similarly to the earlier change in load_balance, only lock the 
> runqueue in load_balance_newidle if the busiest queue found has a 
> nr_running > 1. This will reduce frequency of expensive remote 
> runqueue lock aquisitions in the schedule() path on some workloads.
> 
> Signed-off-by: Nick Piggin <npiggin@suse.de>

Acked-by: Ingo Molnar <mingo@elte.hu>

	Ingo