diff options
Diffstat (limited to 'mm/swap_state.c')
-rw-r--r-- | mm/swap_state.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index 438d0676c5be..2927507b43d8 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -303,15 +303,12 @@ void free_page_and_swap_cache(struct page *page) * Passed an array of pages, drop them all from swapcache and then release * them. They are removed from the LRU and freed if this is their last use. */ -void free_pages_and_swap_cache(struct page **pages, int nr) +void free_pages_and_swap_cache(struct encoded_page **pages, int nr) { - struct page **pagep = pages; - int i; - lru_add_drain(); - for (i = 0; i < nr; i++) - free_swap_cache(pagep[i]); - release_pages(pagep, nr); + for (int i = 0; i < nr; i++) + free_swap_cache(encoded_page_ptr(pages[i])); + release_pages(pages, nr); } static inline bool swap_use_vma_readahead(void) @@ -373,30 +370,28 @@ struct folio *swap_cache_get_folio(swp_entry_t entry, } /** - * find_get_incore_page - Find and get a page from the page or swap caches. + * filemap_get_incore_folio - Find and get a folio from the page or swap caches. * @mapping: The address_space to search. * @index: The page cache index. * - * This differs from find_get_page() in that it will also look for the - * page in the swap cache. + * This differs from filemap_get_folio() in that it will also look for the + * folio in the swap cache. * - * Return: The found page or %NULL. + * Return: The found folio or %NULL. */ -struct page *find_get_incore_page(struct address_space *mapping, pgoff_t index) +struct folio *filemap_get_incore_folio(struct address_space *mapping, + pgoff_t index) { swp_entry_t swp; struct swap_info_struct *si; - struct page *page = pagecache_get_page(mapping, index, - FGP_ENTRY | FGP_HEAD, 0); + struct folio *folio = __filemap_get_folio(mapping, index, FGP_ENTRY, 0); - if (!page) - return page; - if (!xa_is_value(page)) - return find_subpage(page, index); + if (!xa_is_value(folio)) + goto out; if (!shmem_mapping(mapping)) return NULL; - swp = radix_to_swp_entry(page); + swp = radix_to_swp_entry(folio); /* There might be swapin error entries in shmem mapping. */ if (non_swap_entry(swp)) return NULL; @@ -404,9 +399,11 @@ struct page *find_get_incore_page(struct address_space *mapping, pgoff_t index) si = get_swap_device(swp); if (!si) return NULL; - page = find_get_page(swap_address_space(swp), swp_offset(swp)); + index = swp_offset(swp); + folio = filemap_get_folio(swap_address_space(swp), index); put_swap_device(si); - return page; +out: + return folio; } struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, |