From 1e8e3fd070bd04975f5b13b79f5e3287d9f36f29 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 10 Jan 2013 09:50:51 +0100 Subject: mm: swap: Initialize local locks early Cc: stable-rt@vger.kernel.org Signed-off-by: Thomas Gleixner Signed-off-by: Steven Rostedt --- mm/swap.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/mm/swap.c b/mm/swap.c index 2051da9c48e2..62dc70c757d3 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 -- cgit v1.2.3