linux-kernel - [PATCH] x86: export 'leave

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Date:	Fri, 28 Dec 2007 16:58:05 +0100
From:	Miguel Botón <mboton.lkml@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: [PATCH] x86: export 'leave_mm' symbol

This patch fixes a linking error if CONFIG_ACPI_PROCESSOR=m
(this error occurs in the 'mm' branch of linux-2.6-x86.git).

We need to export the 'leave_mm' symbol so it can be accessible
for the ACPI processor module.

Signed-off-by: Miguel Botón <mboton@...il.com>

diff --git a/arch/x86/kernel/smp_32.c b/arch/x86/kernel/smp_32.c
index 596d002..dc0cde9 100644
--- a/arch/x86/kernel/smp_32.c
+++ b/arch/x86/kernel/smp_32.c
@@ -263,6 +263,7 @@ void leave_mm(int cpu)
 	cpu_clear(cpu, per_cpu(cpu_tlbstate, cpu).active_mm->cpu_vm_mask);
 	load_cr3(swapper_pg_dir);
 }
+EXPORT_SYMBOL(leave_mm);
 
 /*
  *
diff --git a/arch/x86/kernel/smp_64.c b/arch/x86/kernel/smp_64.c
index 1334afe..2fd74b0 100644
--- a/arch/x86/kernel/smp_64.c
+++ b/arch/x86/kernel/smp_64.c
@@ -76,6 +76,7 @@ void leave_mm(int cpu)
 	cpu_clear(cpu, read_pda(active_mm)->cpu_vm_mask);
 	load_cr3(swapper_pg_dir);
 }
+EXPORT_SYMBOL(leave_mm);
 
 /*
  *

-- 
	Miguel Botón
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