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 <[email protected]> Cc: Xiao Guangrong <[email protected]> Cc: Sagi Grimberg <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Haggai Eran <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
rtvt123 · Oct 9, 2012 · 7040030 · 7040030
1 parent 1e8537b
commit 7040030
Showing 1 changed file with 3 additions and 3 deletions.
diff --git 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;