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-rw-r--r--sys/vm/vm_map.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm_map.h b/sys/vm/vm_map.h
index 824a9a0..cdd9b87 100644
--- a/sys/vm/vm_map.h
+++ b/sys/vm/vm_map.h
@@ -329,6 +329,7 @@ long vmspace_resident_count(struct vmspace *vmspace);
#define VM_FAULT_NORMAL 0 /* Nothing special */
#define VM_FAULT_CHANGE_WIRING 1 /* Change the wiring as appropriate */
#define VM_FAULT_DIRTY 2 /* Dirty the page; use w/VM_PROT_COPY */
+#define VM_FAULT_IOBUSY 4 /* Busy the faulted page */
/*
* Initially, mappings are slightly sequential. The maximum window size must
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