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-rw-r--r--include/linux/swapfile.h2
-rw-r--r--mm/swapfile.c4
2 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h
index 809cd01ef2c5..54078542134c 100644
--- a/include/linux/swapfile.h
+++ b/include/linux/swapfile.h
@@ -6,8 +6,6 @@
* these were static in swapfile.c but frontswap.c needs them and we don't
* want to expose them to the dozens of source files that include swap.h
*/
-extern spinlock_t swap_lock;
-extern struct plist_head swap_active_head;
extern struct swap_info_struct *swap_info[];
extern unsigned long generic_max_swapfile_size(void);
extern unsigned long max_swapfile_size(void);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 82342c77791b..bf0df7aa7158 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -49,7 +49,7 @@ static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
unsigned char);
static void free_swap_count_continuations(struct swap_info_struct *);
-DEFINE_SPINLOCK(swap_lock);
+static DEFINE_SPINLOCK(swap_lock);
static unsigned int nr_swapfiles;
atomic_long_t nr_swap_pages;
/*
@@ -71,7 +71,7 @@ static const char Unused_offset[] = "Unused swap offset entry ";
* all active swap_info_structs
* protected with swap_lock, and ordered by priority.
*/
-PLIST_HEAD(swap_active_head);
+static PLIST_HEAD(swap_active_head);
/*
* all available (active, not full) swap_info_structs