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-rw-r--r--sys/vm/vm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm.h b/sys/vm/vm.h
index 1df51fe..68bb4d1 100644
--- a/sys/vm/vm.h
+++ b/sys/vm/vm.h
@@ -68,6 +68,7 @@ typedef char vm_inherit_t; /* inheritance codes */
#define VM_INHERIT_SHARE ((vm_inherit_t) 0)
#define VM_INHERIT_COPY ((vm_inherit_t) 1)
#define VM_INHERIT_NONE ((vm_inherit_t) 2)
+#define VM_INHERIT_ZERO ((vm_inherit_t) 3)
#define VM_INHERIT_DEFAULT VM_INHERIT_COPY
typedef u_char vm_prot_t; /* protection codes */
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