* sysdeps/unix/sysv/linux/tst-getcpu.c: New file.

* sysdeps/unix/sysv/linux/Makefile [subdir=posix] (tests): Add
	tst-getcpu.

	* include/link.h: Move l_version and l_nversion members around to
	fill gaps.

sysdeps/unix/sysv/linux/tst-getcpu.c

@@ -0,0 +1,53 @@
+#include <errno.h>
+#include <stdio.h>
+#include <sched.h>
+
+
+static int
+do_test (void)
+{
+  cpu_set_t cs;
+  if (sched_getaffinity (getpid (), sizeof (cs), &cs) != 0)
+    {
+      printf ("getaffinity failed: %m\n");
+      return 1;
+    }
+
+  int result = 0;
+  int cpu = 0;
+  while (CPU_COUNT (&cs) != 0)
+    {
+      if (CPU_ISSET (cpu, &cs))
+	{
+	  cpu_set_t cs2;
+	  CPU_ZERO (&cs2);
+	  CPU_SET (cpu, &cs2);
+	  if (sched_setaffinity (getpid (), sizeof (cs2), &cs2) != 0)
+	    {
+	      printf ("setaffinity(%d) failed: %m\n", cpu);
+	      result = 1;
+	    }
+	  else
+	    {
+	      int cpu2 = sched_getcpu ();
+	      if (cpu2 == -1 && errno == ENOSYS)
+		{
+		  puts ("getcpu syscall not implemented");
+		  return 0;
+		}
+	      if (cpu2 != cpu)
+		{
+		  printf ("getcpu results %d not possible\n", cpu2);
+		  result = 1;
+		}
+	    }
+	  CPU_CLR (cpu, &cs);
+	}
+      ++cpu;
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>