diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-10-07 12:29:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 14:48:04 +0200 |
| commit | b32e86b4301e345611f0446265f782a229faadf6 (patch) | |
| tree | 8cc0a8b731e63f2b3450f89330d49009374c99fb /kernel/sched/fair.c | |
| parent | sched/numa: Prevent parallel updates to group stats during placement (diff) | |
| download | linux-b32e86b4301e345611f0446265f782a229faadf6.tar.xz linux-b32e86b4301e345611f0446265f782a229faadf6.zip | |
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
Diffstat (limited to '')
| -rw-r--r-- | kernel/sched/fair.c | 5 |
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; } |