[PATCH v2 1/4] mm: export use_mm() and unuse_mm() to modules

[Gregory Haskins <ghaskins@novell.com>]

We want to use these functions from withing KVM, which may be built as
a module.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
---

 mm/mmu_context.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index ded9081..f31ba20 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -6,6 +6,7 @@
 #include <linux/mm.h>
 #include <linux/mmu_context.h>
 #include <linux/sched.h>
+#include <linux/module.h>
 
 #include <asm/mmu_context.h>
 
@@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm)
 	if (active_mm != mm)
 		mmdrop(active_mm);
 }
+EXPORT_SYMBOL_GPL(use_mm);
 
 /*
  * unuse_mm
@@ -56,3 +58,4 @@ void unuse_mm(struct mm_struct *mm)
 	enter_lazy_tlb(mm, tsk);
 	task_unlock(tsk);
 }
+EXPORT_SYMBOL_GPL(unuse_mm);