diff --git a/headers/private/kernel/ksyscalls.h b/headers/private/kernel/ksyscalls.h
index f666d0b900..79dffba91e 100755
--- a/headers/private/kernel/ksyscalls.h
+++ b/headers/private/kernel/ksyscalls.h
@@ -149,6 +149,7 @@ enum {
 	SYSCALL_ATOMIC_GET64,
 	SYSCALL_SET_REAL_TIME_CLOCK,
 	SYSCALL_DEBUG_OUTPUT,
+	SYSCALL_GET_SYSTEM_INFO,		/* 140 */
 };
 
 int syscall_dispatcher(unsigned long call_num, void *arg_buffer, uint64 *call_ret);
diff --git a/headers/private/kernel/port.h b/headers/private/kernel/port.h
index c3cbe90ec3..a99c1dc5e5 100755
--- a/headers/private/kernel/port.h
+++ b/headers/private/kernel/port.h
@@ -12,6 +12,8 @@
 
 status_t port_init(kernel_args *ka);
 int delete_owned_ports(team_id owner);
+int32 port_max_ports(void);
+int32 port_used_ports(void);
 
 // temp: test
 void port_test(void);
diff --git a/headers/private/kernel/sem.h b/headers/private/kernel/sem.h
index 58b4f2b3cc..4e9dc4bdff 100755
--- a/headers/private/kernel/sem.h
+++ b/headers/private/kernel/sem.h
@@ -30,5 +30,7 @@ extern sem_id	create_sem_etc(int32 count, const char *name, team_id owner);
 extern status_t	sem_init(struct kernel_args *ka);
 extern int		sem_delete_owned_sems(team_id owner);
 extern status_t	sem_interrupt_thread(struct thread *t);
+extern int32	sem_used_sems(void);
+extern int32	sem_max_sems(void);
 
 #endif	/* KERNEL_SEM_H */
diff --git a/headers/private/kernel/syscalls.h b/headers/private/kernel/syscalls.h
index 713750a4d5..433f1b1836 100644
--- a/headers/private/kernel/syscalls.h
+++ b/headers/private/kernel/syscalls.h
@@ -134,9 +134,9 @@ int sys_socket(int, int, int);
 
 int sys_setenv(const char *, const char *, int);
 int sys_getenv(const char *, char **);
- 
-/* region prototypes */
-area_id sys_find_region_by_name(const char *);
+
+/* System informations */
+extern status_t		_kern_get_system_info(system_info *info, size_t size);
 
 void _kern_debug_output(const char *message);
 
diff --git a/headers/private/kernel/system_info.h b/headers/private/kernel/system_info.h
new file mode 100644
index 0000000000..af32688899
--- /dev/null
+++ b/headers/private/kernel/system_info.h
@@ -0,0 +1,14 @@
+/*
+** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+#ifndef _KERNEL_SYSTEM_INFO_H
+#define _KERNEL_SYSTEM_INFO_H
+
+
+#include <OS.h>
+
+
+extern status_t _user_get_system_info(system_info *userInfo, size_t size);
+
+#endif	/* _KRENEL_SYSTEM_INFO_H */