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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 ffbcd48..55818ef 100644
--- a/sys/vm/vm.h
+++ b/sys/vm/vm.h
@@ -81,6 +81,7 @@ typedef u_char vm_prot_t; /* protection codes */
#define VM_PROT_OVERRIDE_WRITE ((vm_prot_t) 0x08) /* copy-on-write */
#define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)
+#define VM_PROT_RW (VM_PROT_READ|VM_PROT_WRITE)
#define VM_PROT_DEFAULT VM_PROT_ALL
union vm_map_object;
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