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-rw-r--r--sys/vm/vm_object.h3
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 */
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