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Commit 70400303 authored by Andrea Arcangeli's avatar Andrea Arcangeli Committed by Linus Torvalds
Browse files

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: default avatarAndrea 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1e8537ba

mm/mmu_notifier.c

+3 −3
Original line number Diff line number Diff line
@@ -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;