diff options
Diffstat (limited to 'sys/vm/vm_object.c')
| -rw-r--r-- | sys/vm/vm_object.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index 2a8a2cebdde6..1b27b1dadc47 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -1208,7 +1208,9 @@ vm_object_split(vm_map_entry_t entry) vm_page_unlock_queues(); } if (orig_object->type == OBJT_SWAP) { + VM_OBJECT_LOCK(orig_object); vm_object_pip_add(orig_object, 1); + VM_OBJECT_UNLOCK(orig_object); /* * copy orig_object pages into new_object * and destroy unneeded pages in @@ -1514,8 +1516,9 @@ vm_object_collapse(vm_object_t object) * Move the pager from backing_object to object. */ if (backing_object->type == OBJT_SWAP) { + VM_OBJECT_LOCK(backing_object); vm_object_pip_add(backing_object, 1); - + VM_OBJECT_UNLOCK(backing_object); /* * scrap the paging_offset junk and do a * discrete copy. This also removes major @@ -1524,7 +1527,9 @@ vm_object_collapse(vm_object_t object) * new swapper is able to optimize the * destroy-source case. */ + VM_OBJECT_LOCK(object); vm_object_pip_add(object, 1); + VM_OBJECT_UNLOCK(object); swap_pager_copy( backing_object, object, |