linux-kernel - [PATCH] kernel/cpu_pm: mark 1 function as _

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Message-Id: <20200621083315.883209-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 21 Jun 2020 10:33:15 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     swboyd@...omium.org, bjorn.andersson@...aro.org,
        dianders@...omium.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] kernel/cpu_pm: mark 1 function as __init to save some memory

'cpu_pm_init()' is only called via 'core_initcall'.
It can be marked as __init to save a few bytes of memory.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 kernel/cpu_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
index 44a259338e33..6a4717ae6917 100644
--- a/kernel/cpu_pm.c
+++ b/kernel/cpu_pm.c
@@ -191,7 +191,7 @@ static struct syscore_ops cpu_pm_syscore_ops = {
 	.resume = cpu_pm_resume,
 };
 
-static int cpu_pm_init(void)
+static int __init cpu_pm_init(void)
 {
 	register_syscore_ops(&cpu_pm_syscore_ops);
 	return 0;
-- 
2.25.1