linux-kernel - [PATCH] sched/cputime: Mark function as __maybe

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Date:   Tue, 18 Aug 2020 18:03:36 +0100
From:   Alex Dewar <alex.dewar90@...il.com>
To:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Cc:     Alex Dewar <alex.dewar90@...il.com>
Subject: [PATCH] sched/cputime: Mark function as __maybe_unused

Depending on config options, account_other_time() may not be called
anywhere. Add __maybe_unused flag to fix clang warning.

Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
---
 kernel/sched/cputime.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 5a55d2300452..43ede0d6661c 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -252,7 +252,7 @@ static __always_inline u64 steal_account_process_time(u64 maxtime)
 /*
  * Account how much elapsed time was spent in steal, irq, or softirq time.
  */
-static inline u64 account_other_time(u64 max)
+static inline u64 __maybe_unused account_other_time(u64 max)
 {
 	u64 accounted;
 
-- 
2.28.0