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mm: mmu_notifier: make the mmu_notifier srcu static

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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>
This commit is contained in:
Andrea Arcangeli 2012-10-08 16:31:52 -07:00 committed by Linus Torvalds
parent 1e8537baac
commit 70400303ce
1 changed files with 3 additions and 3 deletions
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6
mm/mmu_notifier.c
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@ -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;