linux-kernel - [PATCH] x86/x2apic: Make set_x2apic_phys_mode _

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Date:   Wed, 17 Jan 2018 11:45:43 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Dou Liyang <douly.fnst@...fujitsu.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Juergen Gross <jgross@...e.com>,
        <x86@...nel.org>
Subject: [PATCH] x86/x2apic: Make set_x2apic_phys_mode __init

The early_param() is only called during kernel initialization, So Linux
marks the functions of it with __init macro to save memory.

But it forgot to mark set_x2apic_phys_mode(). So, Make it __init as well.

Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Juergen Gross <jgross@...e.com>
Cc: x86@...nel.org
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
---
 arch/x86/kernel/apic/x2apic_phys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index f8d9d69994e6..e2829bf40e4a 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -14,7 +14,7 @@ int x2apic_phys;
 
 static struct apic apic_x2apic_phys;
 
-static int set_x2apic_phys_mode(char *arg)
+static int __init set_x2apic_phys_mode(char *arg)
 {
 	x2apic_phys = 1;
 	return 0;
-- 
2.14.3