Index: uspace/app/top/Makefile
===================================================================
--- uspace/app/top/Makefile	(revision 1ba37faf61b6713df5140f30fa781f7f2147c5ab)
+++ uspace/app/top/Makefile	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -35,4 +35,5 @@
 	screen.c \
 	input.c \
+	func.c \
 	ps.c
 
Index: uspace/app/top/func.c
===================================================================
--- uspace/app/top/func.c	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
+++ uspace/app/top/func.c	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2001-2004 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup top
+ * @{
+ */
+
+/**
+ * @file
+ * @brief	Miscellaneous functions.
+ */
+
+#include <stdio.h>
+
+#include "func.h"
+
+void order(const uint64_t val, uint64_t *rv, char *suffix)
+{
+	if (val > 10000000000000000000ULL) {
+		*rv = val >> 60;
+		*suffix = 'Z';
+	} else if (val > 1000000000000000000ULL) {
+		*rv = val >> 50;
+		*suffix = 'E';
+	} else if (val > 1000000000000000ULL) {
+		*rv = val >> 40;
+		*suffix = 'T';
+	} else if (val > 1000000000000ULL) {
+		*rv = val >> 30;
+		*suffix = 'G';
+	} else if (val > 1000000000ULL) {
+		*rv = val >> 20;
+		*suffix = 'M';
+	} else if (val > 1000000ULL) {
+		*rv = val >> 10;
+		*suffix = 'k';
+	} else {
+		*rv = val;
+		*suffix = ' ';
+	}
+}
+
+/** @}
+ */
Index: uspace/app/top/func.h
===================================================================
--- uspace/app/top/func.h	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
+++ uspace/app/top/func.h	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2001-2004 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup ps
+ * @{
+ */
+/** @file
+ */
+
+#ifndef FUNC_H_
+#define FUNC_H_
+
+extern void order(const uint64_t val, uint64_t *rv, char *suffix);
+
+#endif
+
+/** @}
+ */
Index: uspace/app/top/screen.c
===================================================================
--- uspace/app/top/screen.c	(revision 1ba37faf61b6713df5140f30fa781f7f2147c5ab)
+++ uspace/app/top/screen.c	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -43,4 +43,5 @@
 #include "screen.h"
 #include "top.h"
+#include "func.h"
 
 int rows;
@@ -133,4 +134,16 @@
 		++up_rows;
 	}
+}
+
+static inline void print_meminfo(data_t *data)
+{
+	uint64_t newsize;
+	char suffix;
+	order(data->mem_info.total, &newsize, &suffix);
+	printf("Mem: %8llu %c total", newsize, suffix);
+	order(data->mem_info.used, &newsize, &suffix);
+	printf(", %8llu %c used", newsize, suffix);
+	order(data->mem_info.free, &newsize, &suffix);
+	printf(", %8llu %c free", newsize, suffix);
 }
 
@@ -182,4 +195,7 @@
 	++up_rows;
 	print_cpuinfo(data);
+	print_meminfo(data);
+	puts("\n");
+	++up_rows;
 	puts("\n");
 	++up_rows;
Index: uspace/app/top/top.c
===================================================================
--- uspace/app/top/top.c	(revision 1ba37faf61b6713df5140f30fa781f7f2147c5ab)
+++ uspace/app/top/top.c	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -43,4 +43,5 @@
 #include <sys/time.h>
 #include <load.h>
+#include <ps.h>
 #include "screen.h"
 #include "input.h"
@@ -84,4 +85,7 @@
 	/* Read cpu infos */
 	target->cpu_count = get_cpu_infos(&target->cpus);
+
+	/* Read mem info */
+	get_mem_info(&target->mem_info);
 }
 
Index: uspace/app/top/top.h
===================================================================
--- uspace/app/top/top.h	(revision 1ba37faf61b6713df5140f30fa781f7f2147c5ab)
+++ uspace/app/top/top.h	(revision 36b5b0f4924a92f9251ada2ed3d412d51f4eb621)
@@ -68,4 +68,6 @@
 	uspace_cpu_info_t *cpus;
 	cpu_perc_t *cpu_perc;
+
+	uspace_mem_info_t mem_info;
 } data_t;