linux-kernel - [PATCH] kernel/sched/fair.c: Deinline update_load

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Message-Id: <20170621173426.5341-1-dvlasenk@redhat.com>
Date:   Wed, 21 Jun 2017 19:34:26 +0200
From:   Denys Vlasenko <dvlasenk@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Denys Vlasenko <dvlasenk@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH] kernel/sched/fair.c: Deinline update_load_avg, save 8720 bytes

This function compiles to 1378 bytes of machine code. 8 callsites.

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
CC: Peter Zijlstra <peterz@...radead.org>
CC: linux-kernel@...r.kernel.org
---
 kernel/sched/fair.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d711093..c4d6603 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3312,7 +3312,7 @@ static inline void cfs_rq_util_change(struct cfs_rq *cfs_rq)
 #define SKIP_AGE_LOAD	0x2
 
 /* Update task and its cfs_rq load average */
-static inline void update_load_avg(struct sched_entity *se, int flags)
+static void update_load_avg(struct sched_entity *se, int flags)
 {
 	struct cfs_rq *cfs_rq = cfs_rq_of(se);
 	u64 now = cfs_rq_clock_task(cfs_rq);
-- 
1.8.3.1