[PATCH -mm] mm, swap: Remove unused function prototype

[Huang, Ying]

From: Huang Ying <ying.huang@xxxxxxxxx>

This is a code cleanup patch, no functionality changes.  There are 2
unused function prototype in swap.h, they are removed.

Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
---
 include/linux/swap.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 486494e6b2fc..ba5882419a7d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -411,9 +411,6 @@ struct backing_dev_info;
 extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
 extern void exit_swap_address_space(unsigned int type);
 
-extern int get_swap_slots(int n, swp_entry_t *slots);
-extern void swapcache_free_batch(swp_entry_t *entries, int n);
-
 #else /* CONFIG_SWAP */
 
 #define swap_address_space(entry)		(NULL)
-- 
2.11.0