linux-kernel - [PATCH] timers: fix LVL

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Date:   Tue, 15 Nov 2022 10:56:14 +0800
From:   Yun Zhou <yun.zhou@...driver.com>
To:     <jstultz@...gle.com>, <tglx@...utronix.de>, <sboyd@...nel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] timers: fix LVL_START macro

The number of buckets per level should be LVL_SIZE, not LVL_SIZE-1.

Signed-off-by: Yun Zhou <yun.zhou@...driver.com>
---
 kernel/time/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 717fcb9fb14a..1116b208093e 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(jiffies_64);
  * time. We start from the last possible delta of the previous level
  * so that we can later add an extra LVL_GRAN(n) to n (see calc_index()).
  */
-#define LVL_START(n)	((LVL_SIZE - 1) << (((n) - 1) * LVL_CLK_SHIFT))
+#define LVL_START(n)	(LVL_SIZE << (((n) - 1) * LVL_CLK_SHIFT))
 
 /* Size of each clock level */
 #define LVL_BITS	6
-- 
2.35.2