1 files changed, 5 insertions, 5 deletions

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 2f33edb8bee..6beb6251e99 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -33,8 +33,8 @@
 #include <asm/tlbflush.h>
 #include <linux/swapops.h>
 
-DEFINE_SPINLOCK(swap_lock);
-unsigned int nr_swapfiles;
+static DEFINE_SPINLOCK(swap_lock);
+static unsigned int nr_swapfiles;
 long total_swap_pages;
 static int swap_overflow;
 static int least_priority;
@@ -44,7 +44,7 @@ static const char Unused_file[] = "Unused swap file entry ";
 static const char Bad_offset[] = "Bad swap offset entry ";
 static const char Unused_offset[] = "Unused swap offset entry ";
 
-struct swap_list_t swap_list = {-1, -1};
+static struct swap_list_t swap_list = {-1, -1};
 
 static struct swap_info_struct swap_info[MAX_SWAPFILES];
 
@@ -369,13 +369,13 @@ int remove_exclusive_swap_page(struct page *page)
         retval = 0;
         if (p->swap_map[swp_offset(entry)] == 1) {
                 /* Recheck the page count with the swapcache lock held.. */
-                write_lock_irq(&swapper_space.tree_lock);
+                spin_lock_irq(&swapper_space.tree_lock);
                 if ((page_count(page) == 2) && !PageWriteback(page)) {
                         __delete_from_swap_cache(page);
                         SetPageDirty(page);
                         retval = 1;
                 }
-                write_unlock_irq(&swapper_space.tree_lock);
+                spin_unlock_irq(&swapper_space.tree_lock);
         }
         spin_unlock(&swap_lock);