-static inline void show_swap_cache_info(void)
-{
-}
-
-static inline void free_swap_and_cache(swp_entry_t swp)
-{
-}
-
-static inline int swap_duplicate(swp_entry_t swp)
-{
- return 0;
-}
-
-static inline void swap_free(swp_entry_t swp)
-{
-}
-
-static inline struct page *read_swap_cache_async(swp_entry_t swp,
- struct vm_area_struct *vma, unsigned long addr)
-{
- return NULL;
-}
-
-static inline struct page *lookup_swap_cache(swp_entry_t swp)
-{
- return NULL;
-}
-
-static inline int valid_swaphandles(swp_entry_t entry, unsigned long *offset)
-{
- return 0;
-}
-
+#define show_swap_cache_info() /*NOTHING*/
+#define free_swap_and_cache(swp) /*NOTHING*/
+#define swap_duplicate(swp) /*NOTHING*/
+#define swap_free(swp) /*NOTHING*/
+#define read_swap_cache_async(swp,vma,addr) NULL
+#define lookup_swap_cache(swp) NULL
+#define valid_swaphandles(swp, off) 0