2 files changed, 3 insertions(+), 1 deletions(-)

M port/stream.c
M ss/mem.h

@@ 1249,7 1249,7 @@ streamwrite(Chan *c, void *a, long n, int docopy)
 	if(q->other->flag & QHUNGUP)
 		error(Ehungup);
 
-	if(!docopy && GLOBAL(a)){
+	if(!docopy && isphys(a)){
 		/*
 		 *  `a' is global to the whole system, just create a
 		 *  pointer to it and pass it on.

@@ 131,3 131,5 @@
 
 #define	NSEG		5
 #define	MACHSIZE	4096
+
+#define isphys(x) ((((ulong)(x)&0xF0000000) == KZERO)