33 	spinlock_t *ptl;  in pin_page_for_write()  local
58 		ptl = &current->mm->page_table_lock;  in pin_page_for_write()
59 		spin_lock(ptl);  in pin_page_for_write()
63 			spin_unlock(ptl);  in pin_page_for_write()
68 		*ptlp = ptl;  in pin_page_for_write()
75 	pte = pte_offset_map_lock(current->mm, pmd, addr, &ptl);  in pin_page_for_write()
78 		pte_unmap_unlock(pte, ptl);  in pin_page_for_write()
83 	*ptlp = ptl;  in pin_page_for_write()
106 		spinlock_t *ptl;  in __copy_to_user_memcpy()  local
109 		while (!pin_page_for_write(to, &pte, &ptl)) {  in __copy_to_user_memcpy()
130 			pte_unmap_unlock(pte, ptl);  in __copy_to_user_memcpy()
132 			spin_unlock(ptl);  in __copy_to_user_memcpy()
174 		spinlock_t *ptl;  in __clear_user_memset()  local
177 		while (!pin_page_for_write(addr, &pte, &ptl)) {  in __clear_user_memset()
195 			pte_unmap_unlock(pte, ptl);  in __clear_user_memset()
197 			spin_unlock(ptl);  in __clear_user_memset()