/* Returns the page offset into bdev for the specified page's swap entry.  */
sector_t map_swap_page(struct page *page, struct block_device **bdev)
/* Returns the page offset into bdev for the specified page's swap entry.  */
sector_t map_swap_page(struct page *page, struct block_device **bdev)
{
	swp_entry_t entry;
	entry.val = page_private(page);
	return map_swap_entry(entry, bdev);
}