sched/numa: Add debugging

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1381141781-10992-53-git-send-email-mgorman@suse.de

1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 147349987bfe..2876a37cdfc4 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1137,7 +1137,7 @@ static int task_numa_migrate(struct task_struct *p)
                 .p = p,
 
                 .src_cpu = task_cpu(p),
-                .src_nid = cpu_to_node(task_cpu(p)),
+                .src_nid = task_node(p),
 
                 .imbalance_pct = 112,
 
@@ -1515,6 +1515,9 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags)
         if (p->numa_migrate_retry && time_after(jiffies, p->numa_migrate_retry))
                 numa_migrate_preferred(p);
 
+        if (migrated)
+                p->numa_pages_migrated += pages;
+
         p->numa_faults_buffer[task_faults_idx(node, priv)] += pages;
 }