perf sched: Cleanup, remove unused variables in map_switch_event()
In map_switch_event(), we don't care the previous process currently, this patch remove the infomation we get but not used. Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Link: http://lkml.kernel.org/r/1400218625-14613-1-git-send-email-yangds.fnst@cn.fujitsu.comSigned-off-by: Jiri Olsa <jolsa@kernel.org>
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