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mm/swap: make page_swapcount and __lru_add_drain_all static

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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>
This commit is contained in:
Miaohe Lin 2022-05-19 14:08:51 -07:00 committed by akpm
parent dab8dfff49
commit 3db3264d8a
3 changed files with 2 additions and 9 deletions
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7
include/linux/swap.h
View file

@ -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;

2
mm/swap.c
View file

@ -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

2
mm/swapfile.c
View file

@ -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;