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perf mmap: Cleanup perf_mmap__push()

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The first assignment for 'start' and 'end' is redundant.

Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-4-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang 2018-01-18 13:26:18 -08:00 committed by Arnaldo Carvalho de Melo
parent dc6c35c679
commit f92c8cbe59
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/mmap.c
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@ -272,7 +272,7 @@ int perf_mmap__push(struct perf_mmap *md, bool overwrite,
{
u64 head = perf_mmap__read_head(md);
u64 old = md->prev;
u64 end = head, start = old;
u64 end, start;
unsigned char *data = md->base + page_size;
unsigned long size;
void *buf;