perf: Reorder & optimize perf_event_context to remove alignment padding on 64 bit builds

Remove 8 bytes of alignment padding from perf_event_context on 64 bit
builds which shrinks its size to 192 bytes allowing it to fit into one
fewer cache lines and into a smaller slab.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1299512819.2039.5.camel@castor.rsk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 614615b8d42b..f495c0147240 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -878,8 +878,8 @@ enum perf_event_context_type {
  * Used as a container for task events and CPU events as well:
  */
 struct perf_event_context {
-        enum perf_event_context_type    type;
         struct pmu                      *pmu;
+        enum perf_event_context_type    type;
         /*
          * Protect the states of the events in the list,
          * nr_active, and the list: