* [PATCH 3/9] mmu_notifier: use DEFINE_STATIC_SRCU() to define srcu struct
[not found] <1363366257-4886-1-git-send-email-laijs@cn.fujitsu.com>
@ 2013-03-15 16:50 ` Lai Jiangshan
0 siblings, 0 replies; only message in thread
From: Lai Jiangshan @ 2013-03-15 16:50 UTC (permalink / raw)
To: Paul E. McKenney, Andrew Morton, linux-kernel
Cc: Lai Jiangshan, Robin Holt, Andrea Arcangeli, Gavin Shan,
Sasha Levin, linux-mm
DEFINE_STATIC_SRCU() defines srcu struct and do init at build time.
also remove unneeded mmu_notifier_init().
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
mm/mmu_notifier.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index be04122..aa7c785 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -20,7 +20,7 @@
#include <linux/slab.h>
/* global SRCU for all MMs */
-static struct srcu_struct srcu;
+DEFINE_STATIC_SRCU(srcu);
/*
* This function can't run concurrently against mmu_notifier_register
@@ -326,9 +326,3 @@ void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm)
}
EXPORT_SYMBOL_GPL(mmu_notifier_unregister);
-static int __init mmu_notifier_init(void)
-{
- return init_srcu_struct(&srcu);
-}
-
-module_init(mmu_notifier_init);
--
1.7.4.4
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2013-03-15 16:50 ` [PATCH 3/9] mmu_notifier: use DEFINE_STATIC_SRCU() to define srcu struct Lai Jiangshan
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