#endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
#include <linux/swap.h>
+
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
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);
extern void swap_cgroup_swapoff(int type);
#else
-#include <linux/swap.h>
static inline
unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id)