From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: stable-rt@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
mm/swap.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/mm/swap.c b/mm/swap.c
index 2051da9..62dc70c 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -767,6 +767,15 @@ unsigned pagevec_lookup_tag(struct pagevec *pvec, struct address_space *mapping,
}
EXPORT_SYMBOL(pagevec_lookup_tag);
+/* Early setup for the local locks */
+static int __init swap_init_locks(void)
+{
+ local_irq_lock_init(rotate_lock);
+ local_irq_lock_init(swap_lock);
+ return 1;
+}
+early_initcall(swap_init_locks);
+
/*
* Perform any setup for the swap system
*/
@@ -774,9 +783,6 @@ void __init swap_setup(void)
{
unsigned long megs = totalram_pages >> (20 - PAGE_SHIFT);
- local_irq_lock_init(rotate_lock);
- local_irq_lock_init(swap_lock);
-
#ifdef CONFIG_SWAP
bdi_init(swapper_space.backing_dev_info);
#endif
--
1.7.10.4
--
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