31 extern void __page_ref_mod_and_test(struct page *page, int v, int ret);
32 extern void __page_ref_mod_and_return(struct page *page, int v, int ret);
34 extern void __page_ref_freeze(struct page *page, int v, int ret);
47 static inline void __page_ref_mod_and_test(struct page *page, int v, int ret)  in __page_ref_mod_and_test()  argument
50 static inline void __page_ref_mod_and_return(struct page *page, int v, int ret)  in __page_ref_mod_and_return()  argument
56 static inline void __page_ref_freeze(struct page *page, int v, int ret)  in __page_ref_freeze()  argument
144 	int ret = atomic_sub_return(nr, &folio->_refcount);  in folio_ref_sub_return()  local
147 		__page_ref_mod_and_return(&folio->page, -nr, ret);  in folio_ref_sub_return()
148 	return ret;  in folio_ref_sub_return()
177 	int ret = atomic_sub_and_test(nr, &page->_refcount);  in page_ref_sub_and_test()  local
180 		__page_ref_mod_and_test(page, -nr, ret);  in page_ref_sub_and_test()
181 	return ret;  in page_ref_sub_and_test()
191 	int ret = atomic_inc_return(&page->_refcount);  in page_ref_inc_return()  local
194 		__page_ref_mod_and_return(page, 1, ret);  in page_ref_inc_return()
195 	return ret;  in page_ref_inc_return()
205 	int ret = atomic_dec_and_test(&page->_refcount);  in page_ref_dec_and_test()  local
208 		__page_ref_mod_and_test(page, -1, ret);  in page_ref_dec_and_test()
209 	return ret;  in page_ref_dec_and_test()
219 	int ret = atomic_dec_return(&page->_refcount);  in page_ref_dec_return()  local
222 		__page_ref_mod_and_return(page, -1, ret);  in page_ref_dec_return()
223 	return ret;  in page_ref_dec_return()
233 	bool ret = false;  in page_ref_add_unless()  local
238 		ret = atomic_add_unless(&page->_refcount, nr, u);  in page_ref_add_unless()
242 		__page_ref_mod_unless(page, nr, ret);  in page_ref_add_unless()
243 	return ret;  in page_ref_add_unless()
274 	int ret = likely(atomic_cmpxchg(&page->_refcount, count, 0) == count);  in page_ref_freeze()  local
277 		__page_ref_freeze(page, count, ret);  in page_ref_freeze()
278 	return ret;  in page_ref_freeze()