diff options
| author | Adrian Bunk <bunk@kernel.org> | 2008-07-25 19:46:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-26 12:00:12 -0700 |
| commit | 7c363b8c6536f26934172d3c46f0bbec01a97c61 (patch) | |
| tree | 46a9ce1b0ef9285ab2c7b04f0cf584294853a16f | |
| parent | 15f59adae001766a2c7f7fe4f196387bb04bcff5 (diff) | |
mm/swapfile.c: make code static
This patch makes the following needlessly global code static:
- swap_lock
- nr_swapfiles
- struct swap_list
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/swap.h | 3 | ||||
| -rw-r--r-- | mm/swapfile.c | 6 |
2 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 0b3377650c85..de40f169a4e4 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -237,7 +237,6 @@ extern struct page *swapin_readahead(swp_entry_t, gfp_t, /* linux/mm/swapfile.c */ extern long total_swap_pages; -extern unsigned int nr_swapfiles; extern void si_swapinfo(struct sysinfo *); extern swp_entry_t get_swap_page(void); extern swp_entry_t get_swap_page_of_type(int); @@ -254,8 +253,6 @@ extern int can_share_swap_page(struct page *); extern int remove_exclusive_swap_page(struct page *); struct backing_dev_info; -extern spinlock_t swap_lock; - /* linux/mm/thrash.c */ extern struct mm_struct * swap_token_mm; extern void grab_swap_token(void); diff --git a/mm/swapfile.c b/mm/swapfile.c index af283933c14e..6beb6251e99d 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]; |