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Diffstat (limited to 'include/linux/page_cgroup.h')
-rw-r--r--include/linux/page_cgroup.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index b0e4eb126236..30b08136fdf3 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -118,6 +118,8 @@ static inline void __init page_cgroup_init_flatmem(void)
#include <linux/swap.h>
#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
+ unsigned short old, unsigned short new);
extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
extern unsigned short lookup_swap_cgroup(swp_entry_t ent);
extern int swap_cgroup_swapon(int type, unsigned long max_pages);