diff -up numactl-2.0.2/clearcache.c.orig numactl-2.0.2/clearcache.c
--- numactl-2.0.2/clearcache.c.orig	2008-09-29 16:08:38.000000000 -0400
+++ numactl-2.0.2/clearcache.c	2008-09-29 16:08:49.000000000 -0400
@@ -57,7 +57,7 @@ void clearcache(unsigned char *mem, unsi
 #if defined(__i386__) || defined(__x86_64__)
 	unsigned i, cl, eax, feat;
 	/* get clflush unit and feature */
-	asm("cpuid" : "=a" (eax), "=b" (cl), "=d" (feat) : "0" (1) : "cx");
+	asm("cpuid" : "=a" (eax), "=r" (cl), "=d" (feat) : "0" (1) : "cx");
 	if (!(feat & (1 << 19)))
 		fallback_clearcache();
 	cl = ((cl >> 8) & 0xff) * 8;