30 	spinlock_t *ptl;  in pin_page_for_write()  local
55 		ptl = &current->mm->page_table_lock;  in pin_page_for_write()
56 		spin_lock(ptl);  in pin_page_for_write()
59 			spin_unlock(ptl);  in pin_page_for_write()
64 		*ptlp = ptl;  in pin_page_for_write()
71 	pte = pte_offset_map_lock(current->mm, pmd, addr, &ptl);  in pin_page_for_write()
74 		pte_unmap_unlock(pte, ptl);  in pin_page_for_write()
79 	*ptlp = ptl;  in pin_page_for_write()
102 		spinlock_t *ptl;  in __copy_to_user_memcpy()  local
105 		while (!pin_page_for_write(to, &pte, &ptl)) {  in __copy_to_user_memcpy()
126 			pte_unmap_unlock(pte, ptl);  in __copy_to_user_memcpy()
128 			spin_unlock(ptl);  in __copy_to_user_memcpy()
171 		spinlock_t *ptl;  in __clear_user_memset()  local
174 		while (!pin_page_for_write(addr, &pte, &ptl)) {  in __clear_user_memset()
192 			pte_unmap_unlock(pte, ptl);  in __clear_user_memset()
194 			spin_unlock(ptl);  in __clear_user_memset()