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Subject[ 098/153] mm: mmu_notifier: make the mmu_notifier srcu static
3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrea Arcangeli <aarcange@redhat.com>

commit 70400303ce0c4ced3139499c676d5c79636b0c72 upstream.

The variable must be static especially given the variable name.

s/RCU/SRCU/ over a few comments.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
mm/mmu_notifier.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -20,7 +20,7 @@
#include <linux/slab.h>

/* global SRCU for all MMs */
-struct srcu_struct srcu;
+static struct srcu_struct srcu;

/*
* This function can't run concurrently against mmu_notifier_register
@@ -41,7 +41,7 @@ void __mmu_notifier_release(struct mm_st
int id;

/*
- * RCU here will block mmu_notifier_unregister until
+ * SRCU here will block mmu_notifier_unregister until
* ->release returns.
*/
id = srcu_read_lock(&srcu);
@@ -302,7 +302,7 @@ void mmu_notifier_unregister(struct mmu_

if (!hlist_unhashed(&mn->hlist)) {
/*
- * RCU here will force exit_mmap to wait ->release to finish
+ * SRCU here will force exit_mmap to wait ->release to finish
* before freeing the pages.
*/
int id;



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