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Groups > linux.kernel > #1235193

[PATCH 3/8] kernel/trace: rb_is_reader_page can be boolean

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This patch makes rb_is_reader_page return bool to improve readability
due to this particular function only using either one or zero as its
return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 kernel/trace/ring_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index fc347f8..26a948f 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -829,7 +829,7 @@ rb_is_head_page(struct ring_buffer_per_cpu *cpu_buffer,
  * writer is ever on it, the previous pointer never points
  * back to the reader page.
  */
-static int rb_is_reader_page(struct buffer_page *page)
+static bool rb_is_reader_page(struct buffer_page *page)
 {
 	struct list_head *list = page->list.prev;
 
-- 
1.9.1


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[PATCH 0/8] cleanups for trace Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 4/8] kernel/ring_buffer: ring_buffer_empty{cpu} can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 2/8] kernel/trace: report_latency in trace_irqsoff.c can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 8/8] kernel/trace: ftrace_event_is_function can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 1/8] kernel/trace: report_latency in trace_sched_wakeup.c can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 6/8] kernel/trace: rb_event_is_commit can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 5/8] kernel/ring_buffer: rb_per_cpu_empty can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 7/8] kernel/trace: is_legal_op can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 3/8] kernel/trace: rb_is_reader_page can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200

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