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* [PATCH] export use_mm and unuse_mm for filesystem modules.
@ 2009-12-09 22:40 jim owens
  2009-12-09 22:45 ` Al Viro
  0 siblings, 1 reply; 2+ messages in thread
From: jim owens @ 2009-12-09 22:40 UTC (permalink / raw)
  To: linux-mm; +Cc: Andrew Morton, LKML, mst, linux-fsdevel


required for btrfs directio worker threads.

Signed-off-by: jim owens <jowens@hp.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..daabf4d 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -3,6 +3,7 @@
  * See ../COPYING for licensing terms.
  */
 
+#include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/mmu_context.h>
 #include <linux/sched.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);
-- 
1.5.6.3

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] export use_mm and unuse_mm for filesystem modules.
  2009-12-09 22:40 [PATCH] export use_mm and unuse_mm for filesystem modules jim owens
@ 2009-12-09 22:45 ` Al Viro
  0 siblings, 0 replies; 2+ messages in thread
From: Al Viro @ 2009-12-09 22:45 UTC (permalink / raw)
  To: jim owens; +Cc: linux-mm, Andrew Morton, LKML, mst, linux-fsdevel

On Wed, Dec 09, 2009 at 05:40:59PM -0500, jim owens wrote:
>
> required for btrfs directio worker threads.

Careful.  It's very easy to fsck up on biarch architectures with
that stuff.

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2009-12-09 22:40 [PATCH] export use_mm and unuse_mm for filesystem modules jim owens
2009-12-09 22:45 ` Al Viro

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