914  * FOLL_NOWAIT, the mmap_lock may be released.  If it is, *@locked will be set
919 		int *locked)  in faultin_page()  argument
964 		*locked = 0;  in faultin_page()
986 			*locked = 0;  in faultin_page()
1139  * @locked:     whether we're still with the mmap_lock held
1174  * be released. If this happens *@locked will be set to 0 on return.
1187 		int *locked)  in __get_user_pages()  argument
1240 					   PTR_ERR(page) == -EMLINK, locked);  in __get_user_pages()
1452  * Locking: (*locked == 1) means that the mmap_lock has already been acquired by
1454  * set (*locked = 0).
1456  * (*locked == 0) means that the caller expects this function to acquire and
1457  * drop the mmap_lock. Therefore, the value of *locked will still be zero when
1468 						int *locked,  in __get_user_pages_locked()  argument
1478 	if (!*locked) {  in __get_user_pages_locked()
1482 		*locked = 1;  in __get_user_pages_locked()
1505 				       locked);  in __get_user_pages_locked()
1513 		if (!*locked) {  in __get_user_pages_locked()
1524 		if (*locked) {  in __get_user_pages_locked()
1567 		*locked = 1;  in __get_user_pages_locked()
1569 				       pages, locked);  in __get_user_pages_locked()
1570 		if (!*locked) {  in __get_user_pages_locked()
1589 	if (must_unlock && *locked) {  in __get_user_pages_locked()
1596 		*locked = 0;  in __get_user_pages_locked()
1606  * @locked: whether the mmap_lock is still held
1615  * If @locked is NULL, it may be held for read or write and will
1618  * If @locked is non-NULL, it must held for read only and may be
1619  * released.  If it's released, *@locked will be set to 0.
1622 		unsigned long start, unsigned long end, int *locked)  in populate_vma_page_range()  argument
1659 	if (locked)  in populate_vma_page_range()
1667 			       NULL, locked ? locked : &local_locked);  in populate_vma_page_range()
1682  * @locked: whether the mmap_lock is still held
1688  * covered by the VMA. If it's released, *@locked will be set to 0.
1691 			    unsigned long end, bool write, int *locked)  in faultin_vma_page_range()  argument
1725 			       NULL, locked);  in faultin_vma_page_range()
1742 	int locked = 0;  in __mm_populate()  local
1752 		if (!locked) {  in __mm_populate()
1753 			locked = 1;  in __mm_populate()
1775 		ret = populate_vma_page_range(vma, nstart, nend, &locked);  in __mm_populate()
1786 	if (locked)  in __mm_populate()
1793 		int *locked, unsigned int foll_flags)  in __get_user_pages_locked()  argument
1807 	if (!*locked) {  in __get_user_pages_locked()
1811 		*locked = 1;  in __get_user_pages_locked()
1841 	if (must_unlock && *locked) {  in __get_user_pages_locked()
1843 		*locked = 0;  in __get_user_pages_locked()
2015 	int locked = 0;  in get_dump_page()  local
2018 	ret = __get_user_pages_locked(current->mm, addr, 1, &page, &locked,  in get_dump_page()
2191 				  int *locked,  in __gup_longterm_locked()  argument
2199 					       locked, gup_flags);  in __gup_longterm_locked()
2204 							  pages, locked,  in __gup_longterm_locked()
2222 static bool is_valid_gup_args(struct page **pages, int *locked,  in is_valid_gup_args()  argument
2232 	 * - FOLL_UNLOCKABLE is internal only and used if locked is !NULL  in is_valid_gup_args()
2239 	if (locked) {  in is_valid_gup_args()
2240 		/* At the external interface locked must be set */  in is_valid_gup_args()
2241 		if (WARN_ON_ONCE(*locked != 1))  in is_valid_gup_args()
2279  * @locked:	pointer to lock flag indicating whether lock is held and
2329 		int *locked)  in get_user_pages_remote()  argument
2333 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in get_user_pages_remote()
2338 				       locked ? locked : &local_locked,  in get_user_pages_remote()
2347 			   int *locked)  in get_user_pages_remote()  argument
2364  * the current task, and doesn't allow passing of a locked parameter.  We also
2370 	int locked = 1;  in get_user_pages()  local
2376 				       &locked, gup_flags);  in get_user_pages()
2398 	int locked = 0;  in get_user_pages_unlocked()  local
2405 				       &locked, gup_flags);  in get_user_pages_unlocked()
3172 	int locked = 0;  in internal_get_user_pages_fast()  local
3204 				    pages, &locked,  in internal_get_user_pages_fast()
3322  * @locked:	pointer to lock flag indicating whether lock is held and
3339 			   int *locked)  in pin_user_pages_remote()  argument
3343 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in pin_user_pages_remote()
3347 				     locked ? locked : &local_locked,  in pin_user_pages_remote()
3373 	int locked = 1;  in pin_user_pages()  local
3378 				     pages, &locked, gup_flags);  in pin_user_pages()
3393 	int locked = 0;  in pin_user_pages_unlocked()  local
3400 				     &locked, gup_flags);  in pin_user_pages_unlocked()