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-rw-r--r--include/linux/swap.h5
-rw-r--r--mm/khugepaged.c7
-rw-r--r--mm/swap.h5
3 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 95a5b7aa1ae9..6d11c51b2b62 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -455,6 +455,7 @@ static inline unsigned long total_swapcache_pages(void)
return global_node_page_state(NR_SWAPCACHE);
}
+extern void free_swap_cache(struct page *page);
extern void free_page_and_swap_cache(struct page *);
extern void free_pages_and_swap_cache(struct page **, int);
/* linux/mm/swapfile.c */
@@ -539,6 +540,10 @@ static inline void put_swap_device(struct swap_info_struct *si)
/* used to sanity check ptes in zap_pte_range when CONFIG_SWAP=0 */
#define free_swap_and_cache(e) is_pfn_swap_entry(e)
+static inline void free_swap_cache(struct page *page)
+{
+}
+
static inline int add_swap_count_continuation(swp_entry_t swp, gfp_t gfp_mask)
{
return 0;
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 08e885f28def..01e0d6336754 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -755,7 +755,12 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page,
list_for_each_entry_safe(src_page, tmp, compound_pagelist, lru) {
list_del(&src_page->lru);
- release_pte_page(src_page);
+ mod_node_page_state(page_pgdat(src_page),
+ NR_ISOLATED_ANON + page_is_file_lru(src_page),
+ -compound_nr(src_page));
+ unlock_page(src_page);
+ free_swap_cache(src_page);
+ putback_lru_page(src_page);
}
}
diff --git a/mm/swap.h b/mm/swap.h
index fa0816af4712..17936e068c1c 100644
--- a/mm/swap.h
+++ b/mm/swap.h
@@ -41,7 +41,6 @@ void __delete_from_swap_cache(struct folio *folio,
void delete_from_swap_cache(struct folio *folio);
void clear_shadow_from_swap_cache(int type, unsigned long begin,
unsigned long end);
-void free_swap_cache(struct page *page);
struct page *lookup_swap_cache(swp_entry_t entry,
struct vm_area_struct *vma,
unsigned long addr);
@@ -81,10 +80,6 @@ static inline struct address_space *swap_address_space(swp_entry_t entry)
return NULL;
}
-static inline void free_swap_cache(struct page *page)
-{
-}
-
static inline void show_swap_cache_info(void)
{
}