linux-kernel - [PATCH] arm64: debug: mark a function as _

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Message-Id: <20200531110015.598607-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 31 May 2020 13:00:15 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     catalin.marinas@....com, will@...nel.org, tglx@...utronix.de,
        paulmck@...nel.org, gregkh@...uxfoundation.org,
        mhiramat@...nel.org, dianders@...omium.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] arm64: debug: mark a function as __init to save some memory

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

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 arch/arm64/kernel/debug-monitors.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 15e80c876d46..5df49366e9ab 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -130,7 +130,7 @@ static int clear_os_lock(unsigned int cpu)
 	return 0;
 }
 
-static int debug_monitors_init(void)
+static int __init debug_monitors_init(void)
 {
 	return cpuhp_setup_state(CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
 				 "arm64/debug_monitors:starting",
-- 
2.25.1