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authorRichard Kennedy <richard@rsk.demon.co.uk>2011-03-07 15:46:59 +0000
committerIngo Molnar <mingo@elte.hu>2011-03-16 14:04:14 +0100
commitee643c4179c3a18b018de3a4c07a7bb3a75c8e4e (patch)
tree2245e9a6b660f18ceebd9c7accace71d760ff862 /tools/perf
parenta0f7d0f7fc02465bb9758501f611f63381792996 (diff)
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>
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