279 			       pgoff_t index, swp_entry_t swap)  in shmem_confirm_swap()  argument
286 	return item == swp_to_radix_entry(swap);  in shmem_confirm_swap()
613 			     swp_entry_t swap, struct page **pagep)  in shmem_unuse_inode()  argument
621 	radswap = swp_to_radix_entry(swap);  in shmem_unuse_inode()
681 			swap_free(swap);  in shmem_unuse_inode()
690 int shmem_unuse(swp_entry_t swap, struct page *page)  in shmem_unuse()  argument
701 	if (unlikely(!PageSwapCache(page) || page_private(page) != swap.val))  in shmem_unuse()
719 			error = shmem_unuse_inode(info, swap, &page);  in shmem_unuse()
749 	swp_entry_t swap;  in shmem_writepage()  local
806 	swap = get_swap_page();  in shmem_writepage()
807 	if (!swap.val)  in shmem_writepage()
822 	if (add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) {  in shmem_writepage()
823 		swap_shmem_alloc(swap);  in shmem_writepage()
824 		shmem_delete_from_page_cache(page, swp_to_radix_entry(swap));  in shmem_writepage()
838 	swapcache_free(swap);  in shmem_writepage()
874 static struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,  in shmem_swapin()  argument
887 	page = swapin_readahead(swap, gfp, &pvma, 0);  in shmem_swapin()
922 static inline struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,  in shmem_swapin()  argument
925 	return swapin_readahead(swap, gfp, NULL, 0);  in shmem_swapin()
1040 	swp_entry_t swap;  in shmem_getpage_gfp()  local
1048 	swap.val = 0;  in shmem_getpage_gfp()
1051 		swap = radix_to_swp_entry(page);  in shmem_getpage_gfp()
1072 	if (page || (sgp == SGP_READ && !swap.val)) {  in shmem_getpage_gfp()
1084 	if (swap.val) {  in shmem_getpage_gfp()
1086 		page = lookup_swap_cache(swap);  in shmem_getpage_gfp()
1091 			page = shmem_swapin(swap, gfp, info, index);  in shmem_getpage_gfp()
1100 		if (!PageSwapCache(page) || page_private(page) != swap.val ||  in shmem_getpage_gfp()
1101 		    !shmem_confirm_swap(mapping, index, swap)) {  in shmem_getpage_gfp()
1120 						swp_to_radix_entry(swap));  in shmem_getpage_gfp()
1153 		swap_free(swap);  in shmem_getpage_gfp()
1253 	if (swap.val && error != -EINVAL &&  in shmem_getpage_gfp()
1254 	    !shmem_confirm_swap(mapping, index, swap))  in shmem_getpage_gfp()
3278 int shmem_unuse(swp_entry_t swap, struct page *page)  in shmem_unuse()  argument