Re: [PATCH 09/13] sched: Favour moving tasks towards nodes thatincurred more faults
From: Peter Zijlstra
Date: Wed Jul 03 2013 - 14:28:42 EST
On Wed, Jul 03, 2013 at 03:21:36PM +0100, Mel Gorman wrote:
> static bool migrate_improves_locality(struct task_struct *p, struct lb_env *env)
> {
> + if (p->numa_faults[task_faults_idx(dst_nid, 1)] >
> + p->numa_faults[task_faults_idx(src_nid, 1)])
> + return true;
> +}
> +static bool migrate_degrades_locality(struct task_struct *p, struct lb_env *env)
> +{
> + if (p->numa_faults[src_nid] > p->numa_faults[dst_nid])
> return true;
I bet you wanted to use task_faults_idx() there too ;-)
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