Basic VM and other minor improvements.

Not complete, probably not fully debugged or optimized.

lib/syslib/vm_allocmem.c

@@ -0,0 +1,21 @@
+
+#include "syslib.h"
+
+#include <minix/vm.h>
+
+/*===========================================================================*
+ *                                vm_allocmem				     *
+ *===========================================================================*/
+PUBLIC int vm_allocmem(phys_clicks clicks, phys_clicks *retmembase)
+{
+    message m;
+    int result;
+
+    m.VMAM_CLICKS = clicks;
+    result = _taskcall(VM_PROC_NR, VM_ALLOCMEM, &m);
+    if(result == OK)
+	    *retmembase = m.VMAM_MEMBASE;
+
+    return result;
+}
+