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-rw-r--r--mm/swap_state.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 807b00eae969..c1a648d9092b 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -68,32 +68,6 @@ static struct {
unsigned long find_total;
} swap_cache_info;
-unsigned long total_swapcache_pages(void)
-{
- unsigned int i, j, nr;
- unsigned long ret = 0;
- struct address_space *spaces;
- struct swap_info_struct *si;
-
- for (i = 0; i < MAX_SWAPFILES; i++) {
- swp_entry_t entry = swp_entry(i, 1);
-
- /* Avoid get_swap_device() to warn for bad swap entry */
- if (!swp_swap_info(entry))
- continue;
- /* Prevent swapoff to free swapper_spaces */
- si = get_swap_device(entry);
- if (!si)
- continue;
- nr = nr_swapper_spaces[i];
- spaces = swapper_spaces[i];
- for (j = 0; j < nr; j++)
- ret += spaces[j].nrpages;
- put_swap_device(si);
- }
- return ret;
-}
-
static atomic_t swapin_readahead_hits = ATOMIC_INIT(4);
void show_swap_cache_info(void)
@@ -163,6 +137,7 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry,
address_space->nrexceptional -= nr_shadows;
address_space->nrpages += nr;
__mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, nr);
+ __mod_lruvec_page_state(page, NR_SWAPCACHE, nr);
ADD_CACHE_INFO(add_total, nr);
unlock:
xas_unlock_irq(&xas);
@@ -203,6 +178,7 @@ void __delete_from_swap_cache(struct page *page,
address_space->nrexceptional += nr;
address_space->nrpages -= nr;
__mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, -nr);
+ __mod_lruvec_page_state(page, NR_SWAPCACHE, -nr);
ADD_CACHE_INFO(del_total, nr);
}