+/* 2^48 = 281474976710656 */
+static data_source_t dsrc[4] =
+{
+ {"used", DS_TYPE_GAUGE, 0, 281474976710656.0},
+ {"free", DS_TYPE_GAUGE, 0, 281474976710656.0},
+ {"buffers", DS_TYPE_GAUGE, 0, 281474976710656.0},
+ {"cached", DS_TYPE_GAUGE, 0, 281474976710656.0}
+};