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| author | Richard Kennedy <richard@rsk.demon.co.uk> | 2011-03-07 18:46:59 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-16 16:04:14 +0300 |
| commit | ee643c4179c3a18b018de3a4c07a7bb3a75c8e4e (patch) | |
| tree | 2245e9a6b660f18ceebd9c7accace71d760ff862 /include/linux/perf_event.h | |
| parent | a0f7d0f7fc02465bb9758501f611f63381792996 (diff) | |
| download | linux-ee643c4179c3a18b018de3a4c07a7bb3a75c8e4e.tar.xz | |
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>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 2 |
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: |