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| author | Mel Gorman <mgorman@suse.de> | 2013-10-07 11:28:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:40:22 +0200 |
| commit | f809ca9a554dda49fb264c79e31c722e0b063ff8 (patch) | |
| tree | dbb0307d8d16c26421c1a08fc11e4bbff1d48f85 /include/linux/sched.h | |
| parent | f307cd1a32fab53012b01749a1f5ba10b0a7243f (diff) | |
| download | blackbird-op-linux-f809ca9a554dda49fb264c79e31c722e0b063ff8.tar.gz blackbird-op-linux-f809ca9a554dda49fb264c79e31c722e0b063ff8.zip | |
sched/numa: Track NUMA hinting faults on per-node basis
This patch tracks what nodes numa hinting faults were incurred on.
This information is later used to schedule a task on the node storing
the pages most frequently faulted by the task.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1381141781-10992-20-git-send-email-mgorman@suse.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index fdcb4c855072..a810e95bca2b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1342,6 +1342,8 @@ struct task_struct { unsigned int numa_scan_period_max; u64 node_stamp; /* migration stamp */ struct callback_head numa_work; + + unsigned long *numa_faults; #endif /* CONFIG_NUMA_BALANCING */ struct rcu_head rcu; |
