-/* linux/mm/thrash.c */
-#ifdef CONFIG_SWAP
-extern struct mm_struct * swap_token_mm;
-extern void grab_swap_token(void);
-extern void __put_swap_token(struct mm_struct *);
-
-static inline int has_swap_token(struct mm_struct *mm)
-{
- return (mm == swap_token_mm);
-}
-
-static inline void put_swap_token(struct mm_struct *mm)
-{
- if (has_swap_token(mm))
- __put_swap_token(mm);
-}
-#else /* CONFIG_SWAP */
-#define put_swap_token(x) do { } while(0)
-#define grab_swap_token do { } while(0)
-#define has_swap_token 0
-#endif /* CONFIG_SWAP */