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time: tick-sched: use bool for tick_stopped

Message ID 9ee70560651fefffcc61949d8a37315d@codeaurora.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

yuankuiz@codeaurora.org April 10, 2018, 7:45 a.m. UTC 
From: John Zhao <yuankuiz@codeaurora.org>

Variable tick_stopped returned by tick_nohz_tick_stopped
can only be true / false values. Since the return type
of the tick_nohz_tick_stopped is also bool, variable
tick_stopped nice to have data type as bool in place of int.
Moreover, the executed instructions cost could be minimal
without potiential data type conversion.

Signed-off-by: John Zhao <yuankuiz@codeaurora.org>
---
  kernel/time/tick-sched.h | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h
index 6de959a..4d34309 100644
--- a/kernel/time/tick-sched.h
+++ b/kernel/time/tick-sched.h
@@ -48,8 +48,8 @@  struct tick_sched {
  	unsigned long			check_clocks;
  	enum tick_nohz_mode		nohz_mode;

+	bool				tick_stopped	: 1;
  	unsigned int			inidle		: 1;
-	unsigned int			tick_stopped	: 1;
  	unsigned int			idle_active	: 1;
  	unsigned int			do_timer_last	: 1;
  	unsigned int			got_idle_tick	: 1;