826  * FOLL_NOWAIT, the mmap_lock may be released.  If it is, *@locked will be set
831 		int *locked)  in faultin_page()  argument
876 		*locked = 0;  in faultin_page()
898 			*locked = 0;  in faultin_page()
1051  * @locked:     whether we're still with the mmap_lock held
1086  * be released. If this happens *@locked will be set to 0 on return.
1099 		int *locked)  in __get_user_pages()  argument
1168 					   PTR_ERR(page) == -EMLINK, locked);  in __get_user_pages()
1379  * Locking: (*locked == 1) means that the mmap_lock has already been acquired by
1381  * set (*locked = 0).
1383  * (*locked == 0) means that the caller expects this function to acquire and
1384  * drop the mmap_lock. Therefore, the value of *locked will still be zero when
1395 						int *locked,  in __get_user_pages_locked()  argument
1405 	if (!*locked) {  in __get_user_pages_locked()
1409 		*locked = 1;  in __get_user_pages_locked()
1432 				       locked);  in __get_user_pages_locked()
1440 		if (!*locked) {  in __get_user_pages_locked()
1451 		if (*locked) {  in __get_user_pages_locked()
1494 		*locked = 1;  in __get_user_pages_locked()
1496 				       pages, locked);  in __get_user_pages_locked()
1497 		if (!*locked) {  in __get_user_pages_locked()
1516 	if (must_unlock && *locked) {  in __get_user_pages_locked()
1523 		*locked = 0;  in __get_user_pages_locked()
1533  * @locked: whether the mmap_lock is still held
1542  * If @locked is NULL, it may be held for read or write and will
1545  * If @locked is non-NULL, it must held for read only and may be
1546  * released.  If it's released, *@locked will be set to 0.
1549 		unsigned long start, unsigned long end, int *locked)  in populate_vma_page_range()  argument
1586 	if (locked)  in populate_vma_page_range()
1594 			       NULL, locked ? locked : &local_locked);  in populate_vma_page_range()
1609  * @locked: whether the mmap_lock is still held
1618  * mm->mmap_lock must be held. If it's released, *@locked will be set to 0.
1621 			unsigned long end, bool write, int *locked)  in faultin_page_range()  argument
1645 	ret = __get_user_pages_locked(mm, start, nr_pages, NULL, locked,  in faultin_page_range()
1663 	int locked = 0;  in __mm_populate()  local
1673 		if (!locked) {  in __mm_populate()
1674 			locked = 1;  in __mm_populate()
1696 		ret = populate_vma_page_range(vma, nstart, nend, &locked);  in __mm_populate()
1707 	if (locked)  in __mm_populate()
1714 		int *locked, unsigned int foll_flags)  in __get_user_pages_locked()  argument
1728 	if (!*locked) {  in __get_user_pages_locked()
1732 		*locked = 1;  in __get_user_pages_locked()
1762 	if (must_unlock && *locked) {  in __get_user_pages_locked()
1764 		*locked = 0;  in __get_user_pages_locked()
1936 	int locked = 0;  in get_dump_page()  local
1939 	ret = __get_user_pages_locked(current->mm, addr, 1, &page, &locked,  in get_dump_page()
2112 				  int *locked,  in __gup_longterm_locked()  argument
2120 					       locked, gup_flags);  in __gup_longterm_locked()
2125 							  pages, locked,  in __gup_longterm_locked()
2143 static bool is_valid_gup_args(struct page **pages, int *locked,  in is_valid_gup_args()  argument
2153 	 * - FOLL_UNLOCKABLE is internal only and used if locked is !NULL  in is_valid_gup_args()
2159 	if (locked) {  in is_valid_gup_args()
2160 		/* At the external interface locked must be set */  in is_valid_gup_args()
2161 		if (WARN_ON_ONCE(*locked != 1))  in is_valid_gup_args()
2199  * @locked:	pointer to lock flag indicating whether lock is held and
2249 		int *locked)  in get_user_pages_remote()  argument
2253 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in get_user_pages_remote()
2258 				       locked ? locked : &local_locked,  in get_user_pages_remote()
2267 			   int *locked)  in get_user_pages_remote()  argument
2284  * the current task, and doesn't allow passing of a locked parameter.  We also
2290 	int locked = 1;  in get_user_pages()  local
2296 				       &locked, gup_flags);  in get_user_pages()
2318 	int locked = 0;  in get_user_pages_unlocked()  local
2325 				       &locked, gup_flags);  in get_user_pages_unlocked()
3188 	int locked = 0;  in internal_get_user_pages_fast()  local
3220 				    pages, &locked,  in internal_get_user_pages_fast()
3338  * @locked:	pointer to lock flag indicating whether lock is held and
3355 			   int *locked)  in pin_user_pages_remote()  argument
3359 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in pin_user_pages_remote()
3363 				     locked ? locked : &local_locked,  in pin_user_pages_remote()
3389 	int locked = 1;  in pin_user_pages()  local
3394 				     pages, &locked, gup_flags);  in pin_user_pages()
3409 	int locked = 0;  in pin_user_pages_unlocked()  local
3416 				     &locked, gup_flags);  in pin_user_pages_unlocked()