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authorMiaohe Lin <linmiaohe@huawei.com>2022-05-19 14:08:51 -0700
committerakpm <akpm@linux-foundation.org>2022-05-19 14:08:51 -0700
commit3db3264d8a5f4816c022eb9052694ce51e657bfc (patch)
tree772d393814667d349527c104437c9c8857b864a3
parentdab8dfff49a673a4b070ad3f44534b3c0e88a189 (diff)
mm/swap: make page_swapcount and __lru_add_drain_all static
Make page_swapcount and __lru_add_drain_all static. They are only used within the file now. Link: https://lkml.kernel.org/r/20220509131416.17553-9-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Howells <dhowells@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Oscar Salvador <osalvador@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--include/linux/swap.h7
-rw-r--r--mm/swap.c2
-rw-r--r--mm/swapfile.c2
3 files changed, 2 insertions, 9 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 6bf1506e5080..0ff887cad383 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -485,7 +485,6 @@ 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);
@@ -557,12 +556,6 @@ 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 e67addac61e2..f64b298f1034 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1429,7 +1429,7 @@ 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;