diff options
Diffstat (limited to 'sys/vm/vm_object.h')
-rw-r--r-- | sys/vm/vm_object.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h index 03661df..71bdd76 100644 --- a/sys/vm/vm_object.h +++ b/sys/vm/vm_object.h @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_object.h,v 1.3 1994/11/06 05:07:52 davidg Exp $ + * $Id: vm_object.h,v 1.4 1995/01/09 16:05:50 davidg Exp $ */ /* @@ -98,6 +98,7 @@ struct vm_object { vm_offset_t paging_offset; /* Offset into paging space */ struct vm_object *shadow; /* My shadow */ vm_offset_t shadow_offset; /* Offset in shadow */ + vm_offset_t last_read; /* last read in object -- detect seq behavior */ TAILQ_ENTRY(vm_object) cached_list; /* for persistence */ TAILQ_ENTRY(vm_object) reverse_shadow_list; /* chain of objects that are shadowed */ TAILQ_HEAD(rslist, vm_object) reverse_shadow_head; /* objects that this is a shadow for */ |