Index: sys/amd64/linux/linux_sysvec.c
===================================================================
--- sys/amd64/linux/linux_sysvec.c
+++ sys/amd64/linux/linux_sysvec.c
@@ -799,10 +799,11 @@
 		return (false);
 
 	/*
-	 * For Linux we encode osrel as follows (see linux_mib.c):
-	 * VVVMMMIII (version, major, minor), see linux_mib.c.
+	 * For Linux we encode osrel using the Linux convention of
+	 * 	(version << 16) | (major << 8) | (minor)
+	 * See macro in linux_mib.h
 	 */
-	*osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3];
+	*osrel = LINUX_KERNVER(desc[1], desc[2], desc[3]);
 
 	return (true);
 }
Index: sys/compat/linux/linux_mib.c
===================================================================
--- sys/compat/linux/linux_mib.c
+++ sys/compat/linux/linux_mib.c
@@ -149,8 +149,8 @@
 	if (osrelease == sep || sep != eosrelease)
 		return (EINVAL);
 
-	v = v0 * 1000000 + v1 * 1000 + v2;
-	if (v < 1000000)
+	v = LINUX_KERNVER(v0, v1, v2);
+	if (v < 0x010000)
 		return (EINVAL);
 
 	if (osrel != NULL)
Index: sys/i386/linux/linux_sysvec.c
===================================================================
--- sys/i386/linux/linux_sysvec.c
+++ sys/i386/linux/linux_sysvec.c
@@ -970,10 +970,11 @@
 		return (false);
 
 	/*
-	 * For Linux we encode osrel as follows (see linux_mib.c):
-	 * VVVMMMIII (version, major, minor), see linux_mib.c.
+	 * For Linux we encode osrel using the Linux convention of
+	 * 	(version << 16) | (major << 8) | (minor)
+	 * See macro in linux_mib.h
 	 */
-	*osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3];
+	*osrel = LINUX_KERNVER(desc[1], desc[2], desc[3]);
 
 	return (true);
 }