Messages in this thread Patch in this message | | | Date | Tue, 22 Apr 2008 00:32:35 +0300 | From | Adrian Bunk <> | Subject | [2.6 patch] mm/swapfile.c: make code static |
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This patch makes the following needlessly global code static: - swap_lock - nr_swapfiles - struct swap_list
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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This patch has been sent on: - 14 Apr 2008 - 31 Mar 2008 - 25 Feb 2008
include/linux/swap.h | 3 --- mm/swapfile.c | 6 +++--- 2 files changed, 3 insertions(+), 6 deletions(-)
bb7f3cffcbe9023d345ff94dd983292613a8de6b diff --git a/include/linux/swap.h b/include/linux/swap.h index 878459a..9c9f4e5 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 2da149c..0b20c79 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; @@ -43,7 +43,7 @@ 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];
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