diff --git a/include/linux/swap.h b/include/linux/swap.h
index ea7cd815dd88..6d17e7bb330c 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -518,6 +518,7 @@ extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
 extern void exit_swap_address_space(unsigned int type);
 extern struct swap_info_struct *get_swap_device(swp_entry_t entry);
 sector_t swap_page_sector(struct page *page);
+extern sector_t alloc_swapdev_block(int swap);
 
 static inline void put_swap_device(struct swap_info_struct *si)
 {
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index c20ca5fb9adc..16cceb3c82ad 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -2082,6 +2082,7 @@ unsigned long snapshot_get_image_size(void)
 {
 	return nr_copy_pages + nr_meta_pages + 1;
 }
+EXPORT_SYMBOL_GPL(snapshot_get_image_size);
 
 static int init_header(struct swsusp_info *info)
 {
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 277434b6c0bf..0973c628022d 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -188,6 +188,7 @@ sector_t alloc_swapdev_block(int swap)
 	}
 	return 0;
 }
+EXPORT_SYMBOL_GPL(alloc_swapdev_block);
 
 /*
  *	free_all_swap_pages - free swap pages allocated for saving image data.