light documentation for MAP_STACK

diff --git a/sys/sys/mman.h b/sys/sys/mman.h
index e4d96a1..90959c2 100644 (file)
--- a/sys/sys/mman.h
+++ b/sys/sys/mman.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mman.h,v 1.30 2018/02/11 04:09:19 deraadt Exp $       */
+/*     $OpenBSD: mman.h,v 1.31 2018/02/11 04:39:15 deraadt Exp $       */
 /*     $NetBSD: mman.h,v 1.11 1995/03/26 20:24:23 jtc Exp $    */
 
 /*-
@@ -58,8 +58,8 @@
 #define        __MAP_NOREPLACE 0x0800  /* fail if address not available */
 #define        MAP_ANON        0x1000  /* allocated from memory, swap space */
 #define        MAP_ANONYMOUS   MAP_ANON        /* alternate POSIX spelling */
-#define        __MAP_NOFAULT   0x2000
-#define        MAP_STACK       0x4000
+#define        __MAP_NOFAULT   0x2000)
+#define        MAP_STACK       0x4000  /* mapping is used for a stack */
 
 #define        MAP_FLAGMASK    0x7ff7