Date: Tue, 3 Nov 2009 19:24:11 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
To: netdev@vger.kernel.org, virtualization@lists.linux-foundation.org,
       kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu,
       linux-mm@kvack.org, akpm@linux-foundation.org, hpa@zytor.com,
       gregory.haskins@gmail.com, Rusty Russell <rusty@rustcorp.com.au>,
       s.hetze@linux-ag.com
Subject: [PATCHv7 2/3] mm: export use_mm/unuse_mm to modules
Message-ID: <20091103172411.GC5591@redhat.com>
References: <cover.1257267892.git.mst@redhat.com>
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vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm. Export it to modules.

Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.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..0777654 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -5,6 +5,7 @@
 
 #include <linux/mm.h>
 #include <linux/mmu_context.h>
+#include <linux/module.h>
 #include <linux/sched.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);
-- 
1.6.5.2.143.g8cc62

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