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authorAndrea Arcangeli <aarcange@redhat.com>2012-10-08 16:31:52 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-02-28 06:59:00 -0800
commitd0730c2bf33c1cdab392f88013be6b5ebacf0f29 (patch)
treee077ff276de128de50cb464cad3a591f1a11b270 /mm
parent4209ee0d3f7992af3903b5f9a3359f6d2f597c4b (diff)
downloadlinux-linaro-stable-d0730c2bf33c1cdab392f88013be6b5ebacf0f29.tar.gz
mm: mmu_notifier: make the mmu_notifier srcu static
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
-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 35ff447d8d14..3775c9076e4d 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;