Index: source/lib/sysdep/os/linux/lcpu.cpp
===================================================================
--- source/lib/sysdep/os/linux/lcpu.cpp
+++ source/lib/sysdep/os/linux/lcpu.cpp
@@ -48,7 +48,7 @@
 		else
 #endif
 		{
-			long res = sysconf(_SC_NPROCESSORS_CONF);
+			long res = sysconf(_SC_NPROCESSORS_ONLN);
 			ENSURE(res != -1);
 			numProcessors = (size_t)res;
 		}