79 		swp_entry_t entry = swp_entry(i, 1);  in total_swapcache_pages()  local
82 		if (!swp_swap_info(entry))  in total_swapcache_pages()
85 		si = get_swap_device(entry);  in total_swapcache_pages()
111 void *get_shadow_from_swap_cache(swp_entry_t entry)  in get_shadow_from_swap_cache()  argument
113 	struct address_space *address_space = swap_address_space(entry);  in get_shadow_from_swap_cache()
114 	pgoff_t idx = swp_offset(entry);  in get_shadow_from_swap_cache()
129 int add_to_swap_cache(struct page *page, swp_entry_t entry,  in add_to_swap_cache()  argument
132 	struct address_space *address_space = swap_address_space(entry);  in add_to_swap_cache()
133 	pgoff_t idx = swp_offset(entry);  in add_to_swap_cache()
160 			set_page_private(page + i, entry.val + i);  in add_to_swap_cache()
185 			swp_entry_t entry, void *shadow)  in __delete_from_swap_cache()  argument
187 	struct address_space *address_space = swap_address_space(entry);  in __delete_from_swap_cache()
189 	pgoff_t idx = swp_offset(entry);  in __delete_from_swap_cache()
197 		void *entry = xas_store(&xas, shadow);  in __delete_from_swap_cache()  local
198 		VM_BUG_ON_PAGE(entry != page, entry);  in __delete_from_swap_cache()
219 	swp_entry_t entry;  in add_to_swap()  local
225 	entry = get_swap_page(page);  in add_to_swap()
226 	if (!entry.val)  in add_to_swap()
240 	err = add_to_swap_cache(page, entry,  in add_to_swap()
263 	put_swap_page(page, entry);  in add_to_swap()
275 	swp_entry_t entry = { .val = page_private(page) };  in delete_from_swap_cache()  local
276 	struct address_space *address_space = swap_address_space(entry);  in delete_from_swap_cache()
279 	__delete_from_swap_cache(page, entry, NULL);  in delete_from_swap_cache()
282 	put_swap_page(page, entry);  in delete_from_swap_cache()
294 		swp_entry_t entry = swp_entry(type, curr);  in clear_shadow_from_swap_cache()  local
295 		struct address_space *address_space = swap_address_space(entry);  in clear_shadow_from_swap_cache()
370 struct page *lookup_swap_cache(swp_entry_t entry, struct vm_area_struct *vma,  in lookup_swap_cache()  argument
376 	si = get_swap_device(entry);  in lookup_swap_cache()
379 	page = find_get_page(swap_address_space(entry), swp_offset(entry));  in lookup_swap_cache()
452 struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,  in __read_swap_cache_async()  argument
469 		si = get_swap_device(entry);  in __read_swap_cache_async()
472 		page = find_get_page(swap_address_space(entry),  in __read_swap_cache_async()
473 				     swp_offset(entry));  in __read_swap_cache_async()
486 		if (!__swp_swapcount(entry) && swap_slot_cache_enabled)  in __read_swap_cache_async()
501 		err = swapcache_prepare(entry);  in __read_swap_cache_async()
527 	if (add_to_swap_cache(page, entry, gfp_mask & GFP_RECLAIM_MASK, &shadow)) {  in __read_swap_cache_async()
528 		put_swap_page(page, entry);  in __read_swap_cache_async()
558 struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,  in read_swap_cache_async()  argument
562 	struct page *retpage = __read_swap_cache_async(entry, gfp_mask,  in read_swap_cache_async()
654 struct page *swap_cluster_readahead(swp_entry_t entry, gfp_t gfp_mask,  in swap_cluster_readahead()  argument
658 	unsigned long entry_offset = swp_offset(entry);  in swap_cluster_readahead()
662 	struct swap_info_struct *si = swp_swap_info(entry);  in swap_cluster_readahead()
692 			swp_entry(swp_type(entry), offset),  in swap_cluster_readahead()
709 	return read_swap_cache_async(entry, gfp_mask, vma, addr, do_poll);  in swap_cluster_readahead()
760 	swp_entry_t entry;  in swap_ra_info()  local
778 	entry = pte_to_swp_entry(*pte);  in swap_ra_info()
779 	if ((unlikely(non_swap_entry(entry)))) {  in swap_ra_info()
844 	swp_entry_t entry;  in swap_vma_readahead()  local
861 		entry = pte_to_swp_entry(pentry);  in swap_vma_readahead()
862 		if (unlikely(non_swap_entry(entry)))  in swap_vma_readahead()
864 		page = __read_swap_cache_async(entry, gfp_mask, vma,  in swap_vma_readahead()
896 struct page *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask,  in swapin_readahead()  argument
900 			swap_vma_readahead(entry, gfp_mask, vmf) :  in swapin_readahead()
901 			swap_cluster_readahead(entry, gfp_mask, vmf);  in swapin_readahead()