Make page_swapcount and __lru_add_drain_all static. They are only used
within the file now.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
include/linux/swap.h | 7 -------
mm/swap.c | 2 +-
mm/swapfile.c | 2 +-
3 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 999c7d79c2d5..8772132d21dc 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -490,7 +490,6 @@ int swap_type_of(dev_t device, sector_t offset);
int find_first_swap(dev_t *device);
extern unsigned int count_swap_pages(int, int);
extern sector_t swapdev_block(int, pgoff_t);
-extern int page_swapcount(struct page *);
extern int __swap_count(swp_entry_t entry);
extern int __swp_swapcount(swp_entry_t entry);
extern int swp_swapcount(swp_entry_t entry);
@@ -562,12 +561,6 @@ static inline void put_swap_page(struct page *page, swp_entry_t swp)
{
}
-
-static inline int page_swapcount(struct page *page)
-{
- return 0;
-}
-
static inline int __swap_count(swp_entry_t entry)
{
return 0;
diff --git a/mm/swap.c b/mm/swap.c
index 7e320ec08c6a..6d2c37f781f8 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -748,7 +748,7 @@ static void lru_add_drain_per_cpu(struct work_struct *dummy)
* Calling this function with cpu hotplug locks held can actually lead
* to obscure indirect dependencies via WQ context.
*/
-inline void __lru_add_drain_all(bool force_all_cpus)
+static inline void __lru_add_drain_all(bool force_all_cpus)
{
/*
* lru_drain_gen - Global pages generation number
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 7b4c99ca2aea..133e03fea104 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1430,7 +1430,7 @@ void swapcache_free_entries(swp_entry_t *entries, int n)
* This does not give an exact answer when swap count is continued,
* but does include the high COUNT_CONTINUED flag to allow for that.
*/
-int page_swapcount(struct page *page)
+static int page_swapcount(struct page *page)
{
int count = 0;
struct swap_info_struct *p;
--
2.23.0
