1154  * FOLL_NOWAIT, the mmap_lock may be released.  If it is, *@locked will be set
1159 		int *locked)  in faultin_page()  argument
1204 		*locked = 0;  in faultin_page()
1226 			*locked = 0;  in faultin_page()
1379  * @locked:     whether we're still with the mmap_lock held
1414  * be released. If this happens *@locked will be set to 0 on return.
1427 		int *locked)  in __get_user_pages()  argument
1495 					   PTR_ERR(page) == -EMLINK, locked);  in __get_user_pages()
1705  * Locking: (*locked == 1) means that the mmap_lock has already been acquired by
1707  * set (*locked = 0).
1709  * (*locked == 0) means that the caller expects this function to acquire and
1710  * drop the mmap_lock. Therefore, the value of *locked will still be zero when
1721 						int *locked,  in __get_user_pages_locked()  argument
1734 	if (!*locked) {  in __get_user_pages_locked()
1738 		*locked = 1;  in __get_user_pages_locked()
1761 				       locked);  in __get_user_pages_locked()
1769 		if (!*locked) {  in __get_user_pages_locked()
1780 		if (*locked) {  in __get_user_pages_locked()
1823 		*locked = 1;  in __get_user_pages_locked()
1825 				       pages, locked);  in __get_user_pages_locked()
1826 		if (!*locked) {  in __get_user_pages_locked()
1845 	if (must_unlock && *locked) {  in __get_user_pages_locked()
1852 		*locked = 0;  in __get_user_pages_locked()
1870  * @locked: whether the mmap_lock is still held
1879  * If @locked is NULL, it may be held for read or write and will
1882  * If @locked is non-NULL, it must held for read only and may be
1883  * released.  If it's released, *@locked will be set to 0.
1886 		unsigned long start, unsigned long end, int *locked)  in populate_vma_page_range()  argument
1925 	if (locked)  in populate_vma_page_range()
1933 			       NULL, locked ? locked : &local_locked);  in populate_vma_page_range()
1948  * @locked: whether the mmap_lock is still held
1957  * mm->mmap_lock must be held. If it's released, *@locked will be set to 0.
1960 			unsigned long end, bool write, int *locked)  in faultin_page_range()  argument
1984 	ret = __get_user_pages_locked(mm, start, nr_pages, NULL, locked,  in faultin_page_range()
2002 	int locked = 0;  in __mm_populate()  local
2012 		if (!locked) {  in __mm_populate()
2013 			locked = 1;  in __mm_populate()
2035 		ret = populate_vma_page_range(vma, nstart, nend, &locked);  in __mm_populate()
2046 	if (locked)  in __mm_populate()
2053 		int *locked, unsigned int foll_flags)  in __get_user_pages_locked()  argument
2067 	if (!*locked) {  in __get_user_pages_locked()
2071 		*locked = 1;  in __get_user_pages_locked()
2101 	if (must_unlock && *locked) {  in __get_user_pages_locked()
2103 		*locked = 0;  in __get_user_pages_locked()
2275 	int locked = 0;  in get_dump_page()  local
2278 	ret = __get_user_pages_locked(current->mm, addr, 1, &page, &locked,  in get_dump_page()
2519 				  int *locked,  in __gup_longterm_locked()  argument
2527 					       locked, gup_flags);  in __gup_longterm_locked()
2532 							  pages, locked,  in __gup_longterm_locked()
2550 static bool is_valid_gup_args(struct page **pages, int *locked,  in is_valid_gup_args()  argument
2560 	 * - FOLL_UNLOCKABLE is internal only and used if locked is !NULL  in is_valid_gup_args()
2566 	if (locked) {  in is_valid_gup_args()
2567 		/* At the external interface locked must be set */  in is_valid_gup_args()
2568 		if (WARN_ON_ONCE(*locked != 1))  in is_valid_gup_args()
2606  * @locked:	pointer to lock flag indicating whether lock is held and
2656 		int *locked)  in get_user_pages_remote()  argument
2660 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in get_user_pages_remote()
2665 				       locked ? locked : &local_locked,  in get_user_pages_remote()
2674 			   int *locked)  in get_user_pages_remote()  argument
2691  * the current task, and doesn't allow passing of a locked parameter.  We also
2697 	int locked = 1;  in get_user_pages()  local
2703 				       &locked, gup_flags);  in get_user_pages()
2725 	int locked = 0;  in get_user_pages_unlocked()  local
2732 				       &locked, gup_flags);  in get_user_pages_unlocked()
3396 	int locked = 0;  in gup_fast_fallback()  local
3428 				    pages, &locked,  in gup_fast_fallback()
3546  * @locked:	pointer to lock flag indicating whether lock is held and
3563 			   int *locked)  in pin_user_pages_remote()  argument
3567 	if (!is_valid_gup_args(pages, locked, &gup_flags,  in pin_user_pages_remote()
3571 				     locked ? locked : &local_locked,  in pin_user_pages_remote()
3597 	int locked = 1;  in pin_user_pages()  local
3602 				     pages, &locked, gup_flags);  in pin_user_pages()
3617 	int locked = 0;  in pin_user_pages_unlocked()  local
3624 				     &locked, gup_flags);  in pin_user_pages_unlocked()