281 			       pgoff_t index, swp_entry_t swap)  in shmem_confirm_swap()  argument
288 	return item == swp_to_radix_entry(swap);  in shmem_confirm_swap()
635 			     swp_entry_t swap, struct page **pagep)  in shmem_unuse_inode()  argument
643 	radswap = swp_to_radix_entry(swap);  in shmem_unuse_inode()
703 			swap_free(swap);  in shmem_unuse_inode()
712 int shmem_unuse(swp_entry_t swap, struct page *page)  in shmem_unuse()  argument
723 	if (unlikely(!PageSwapCache(page) || page_private(page) != swap.val))  in shmem_unuse()
741 			error = shmem_unuse_inode(info, swap, &page);  in shmem_unuse()
771 	swp_entry_t swap;  in shmem_writepage()  local
828 	swap = get_swap_page();  in shmem_writepage()
829 	if (!swap.val)  in shmem_writepage()
844 	if (add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) {  in shmem_writepage()
850 		swap_shmem_alloc(swap);  in shmem_writepage()
851 		shmem_delete_from_page_cache(page, swp_to_radix_entry(swap));  in shmem_writepage()
860 	swapcache_free(swap);  in shmem_writepage()
896 static struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,  in shmem_swapin()  argument
909 	page = swapin_readahead(swap, gfp, &pvma, 0);  in shmem_swapin()
944 static inline struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,  in shmem_swapin()  argument
947 	return swapin_readahead(swap, gfp, NULL, 0);  in shmem_swapin()
1062 	swp_entry_t swap;  in shmem_getpage_gfp()  local
1070 	swap.val = 0;  in shmem_getpage_gfp()
1073 		swap = radix_to_swp_entry(page);  in shmem_getpage_gfp()
1094 	if (page || (sgp == SGP_READ && !swap.val)) {  in shmem_getpage_gfp()
1106 	if (swap.val) {  in shmem_getpage_gfp()
1108 		page = lookup_swap_cache(swap);  in shmem_getpage_gfp()
1113 			page = shmem_swapin(swap, gfp, info, index);  in shmem_getpage_gfp()
1122 		if (!PageSwapCache(page) || page_private(page) != swap.val ||  in shmem_getpage_gfp()
1123 		    !shmem_confirm_swap(mapping, index, swap)) {  in shmem_getpage_gfp()
1142 						swp_to_radix_entry(swap));  in shmem_getpage_gfp()
1175 		swap_free(swap);  in shmem_getpage_gfp()
1270 	if (swap.val && !shmem_confirm_swap(mapping, index, swap))  in shmem_getpage_gfp()
3289 int shmem_unuse(swp_entry_t swap, struct page *page)  in shmem_unuse()  argument