[PATCH V5 03/17] perf mmap: cleanup perf_mmap__push()

From: kan . liang
Date: Thu Jan 18 2018 - 16:27:57 EST


From: Kan Liang <kan.liang@xxxxxxxxx>

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

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxx>
---
tools/perf/util/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 97cf4fa..fbbbe87 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -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;
--
2.5.5