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authorNamhyung Kim <namhyung@kernel.org>2015-04-19 13:04:10 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-04-29 10:37:44 -0300
commita0b404f4c0820a934ae1b6ce39d8a4a0f01a7a20 (patch)
treeeda3323e26c228881ec6d18f412d03ee10633a91 /lib/div64.c
parentcc5e461ae8e071a95bf6ee917b50998dc31cae17 (diff)
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perf diff: Make hist_entry_diff fields union
The period_ratio_delta, period_ratio and wdiff are never by used at the same time. Instead, Just one of them is accessed according to a comparison method. So make it union to reduce memory footprint. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1429416255-12070-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/div64.c')
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