fix size, it needs to be a multiple of page size

tests/disk/disk_compute.c

@@ -41,11 +41,7 @@
 #  endif
 #endif
 
-#ifdef STARPU_QUICK_CHECK
-#  define NX (128)
-#else
-#  define NX (1024)
-#endif
+#define NX (1024)
 
 int dotest(struct starpu_disk_ops *ops, char *base)
 {

tests/disk/disk_pack.c

@@ -40,11 +40,7 @@
 #  endif
 #endif
 
-#ifdef STARPU_QUICK_CHECK
-#  define NX (128)
-#else
-#  define NX (1024)
-#endif
+#define NX (1024)
 
 const struct starpu_data_copy_methods my_vector_copy_data_methods_s;
 struct starpu_data_interface_ops starpu_interface_my_vector_ops;