Index: head/sys/vm/vm_pageout.c =================================================================== --- head/sys/vm/vm_pageout.c +++ head/sys/vm/vm_pageout.c @@ -695,10 +695,9 @@ vm_page_t m, marker; int act_delta, error, numpagedout, queue, starting_target; int vnodes_skipped; - bool obj_locked, pageout_ok; + bool pageout_ok; mtx = NULL; - obj_locked = false; object = NULL; starting_target = launder; vnodes_skipped = 0; @@ -760,22 +759,16 @@ } if (object != m->object) { - if (obj_locked) { + if (object != NULL) VM_OBJECT_WUNLOCK(object); - obj_locked = false; - } object = m->object; - } - if (!obj_locked) { if (!VM_OBJECT_TRYWLOCK(object)) { mtx_unlock(mtx); /* Depends on type-stability. */ VM_OBJECT_WLOCK(object); - obj_locked = true; mtx_lock(mtx); goto recheck; - } else - obj_locked = true; + } } if (vm_page_busied(m)) @@ -897,17 +890,13 @@ vnodes_skipped++; } mtx = NULL; - obj_locked = false; + object = NULL; } } - if (mtx != NULL) { + if (mtx != NULL) mtx_unlock(mtx); - mtx = NULL; - } - if (obj_locked) { + if (object != NULL) VM_OBJECT_WUNLOCK(object); - obj_locked = false; - } vm_pagequeue_lock(pq); vm_pageout_end_scan(&ss); vm_pagequeue_unlock(pq); @@ -1368,7 +1357,6 @@ vm_object_t object; int act_delta, addl_page_shortage, deficit, page_shortage; int starting_page_shortage; - bool obj_locked; /* * The addl_page_shortage is an estimate of the number of temporarily @@ -1388,7 +1376,6 @@ starting_page_shortage = page_shortage = shortage + deficit; mtx = NULL; - obj_locked = false; object = NULL; vm_batchqueue_init(&rq); @@ -1446,22 +1433,16 @@ } if (object != m->object) { - if (obj_locked) { + if (object != NULL) VM_OBJECT_WUNLOCK(object); - obj_locked = false; - } object = m->object; - } - if (!obj_locked) { if (!VM_OBJECT_TRYWLOCK(object)) { mtx_unlock(mtx); /* Depends on type-stability. */ VM_OBJECT_WLOCK(object); - obj_locked = true; mtx_lock(mtx); goto recheck; - } else - obj_locked = true; + } } if (vm_page_busied(m)) { @@ -1563,14 +1544,10 @@ reinsert: vm_pageout_reinsert_inactive(&ss, &rq, m); } - if (mtx != NULL) { + if (mtx != NULL) mtx_unlock(mtx); - mtx = NULL; - } - if (obj_locked) { + if (object != NULL) VM_OBJECT_WUNLOCK(object); - obj_locked = false; - } vm_pageout_reinsert_inactive(&ss, &rq, NULL); vm_pageout_reinsert_inactive(&ss, &ss.bq, NULL); vm_pagequeue_lock(pq);