extern void get_page_state(struct page_state *ret);
extern void get_full_page_state(struct page_state *ret);
-extern unsigned long __read_page_state(unsigned offset);
-extern void __mod_page_state(unsigned offset, unsigned long delta);
+extern unsigned long __read_page_state(unsigned long offset);
+extern void __mod_page_state(unsigned long offset, unsigned long delta);
#define read_page_state(member) \
__read_page_state(offsetof(struct page_state, member))