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From: Andrew Theurer <habanero@us.ibm.com>
Reply-To: habanero@us.ibm.com
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Subject: Re: [patch] Re: Bug 619 - sched_best_cpu does not pick best cpu (1/1)
Date: Wed, 14 May 2003 20:48:53 -0500
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Cc: anton@samba.org, "" <colpatch@us.ibm.com>,
       "Martin J. Bligh" <mbligh@aracnet.com>,
       Dave Hansen <haveblue@us.ibm.com>, Bill Hartner <bhartner@us.ibm.com>,
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On Wednesday 14 May 2003 20:26, Zwane Mwaikambo wrote:
> On Wed, 14 May 2003, Andrew Theurer wrote:
> > +int nr_cpus_in_node[MAX_NUMNODES] = { [0 ... (MAX_NUMNODES -1)] = 0};
>
> [snip...]
>
> > +static inline int nr_cpus_node(int node)
> > +{
> > +	return nr_cpus_in_node[node];
> > +}
> > +
> >  static inline int cpu_to_node(int cpu)
> >  {
> >  	int node;
>
> How about an hweight() on node_to_cpumask?

I'd rather cache it.  I believe hweight() will be the asm-generic routine.

-Andrew