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authorAndrea Arcangeli <aarcange@redhat.com>2012-10-08 16:31:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 16:22:43 +0900
commit70400303ce0c4ced3139499c676d5c79636b0c72 (patch)
treec9203f4dad6d1147739c264c24cfea625b1ff026
parent1e8537baacd59e96bbe5f8d3d32feafd11f509fe (diff)
mm: mmu_notifier: make the mmu_notifier srcu static
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>
-rw-r--r--mm/mmu_notifier.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 947df83dccb0..c297142f0fe6 100644
--- 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_struct *mm)
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_notifier *mn, struct mm_struct *mm)
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;