Lines Matching refs:rwsem

30  *               anon_vma->rwsem
44  * anon_vma->rwsem,mapping->i_mmap_rwsem   (memory_failure, collect_procs_anon)
132 	if (rwsem_is_locked(&anon_vma->root->rwsem)) {
177  * and that may actually touch the rwsem even in the newly
248 			up_write(&root->rwsem);
250 		down_write(&root->rwsem);
258 		up_write(&root->rwsem);
369 	 * The root anon_vma's rwsem is the lock actually used when we
437 	 * needing to write-acquire the anon_vma->root->rwsem.
455 	init_rwsem(&anon_vma->rwsem);
560 	if (down_read_trylock(&root_anon_vma->rwsem)) {
567 			up_read(&root_anon_vma->rwsem);
578 			up_read(&root_anon_vma->rwsem);