diff --git a/nptl/sysdeps/unix/sysv/linux/i386/smp.h b/nptl/sysdeps/unix/sysv/linux/i386/smp.h
index f68a0c0..859468f 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/smp.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/smp.h
@@ -22,6 +22,7 @@
 #include <string.h>
 #include <sys/utsname.h>
 #include <not-cancel.h>
+#include <sys/sysctl.h>
 
 /* Test whether the machine has more than one processor.  This is not the
    best test but good enough.  More complicated tests would require `malloc'
@@ -29,28 +30,24 @@
 static inline int
 is_smp_system (void)
 {
-  union
-  {
-    struct utsname uts;
-    char buf[512];
-  } u;
-  char *cp;
+  static const int sysctl_args[] = { CTL_KERN, KERN_VERSION };
+  char buf[512];
+  size_t reslen = sizeof (buf);
 
   /* Try reading the number using `sysctl' first.  */
-  if (uname (&u.uts) == 0)
-    cp = u.uts.version;
-  else
+  if (__sysctl ((int *) sysctl_args,
+               sizeof (sysctl_args) / sizeof (sysctl_args[0]),
+               buf, &reslen, NULL, 0) < 0)
     {
       /* This was not successful.  Now try reading the /proc filesystem.  */
       int fd = open_not_cancel_2 ("/proc/sys/kernel/version", O_RDONLY);
       if (__builtin_expect (fd, 0) == -1
-	  || read_not_cancel (fd, u.buf, sizeof (u.buf)) <= 0)
-	/* This also didn't work.  We give up and say it's a UP machine.  */
-	u.buf[0] = '\0';
+         || (reslen = read_not_cancel (fd, buf, sizeof (buf))) <= 0)
+       /* This also didn't work.  We give up and say it's a UP machine.  */
+       buf[0] = '\0';
 
       close_not_cancel_no_status (fd);
-      cp = u.buf;
     }
 
-  return strstr (cp, "SMP") != NULL;
+  return strstr (buf, "SMP") != NULL;
 }