Moved 'struct hole' for memory holes from PM to <minix/type.h>; also

number of holes to sys_config.h, to make memory allocation data structure
visible from outside..

include/minix/sys_config.h

@@ -20,6 +20,7 @@
 
 #define _NR_PROCS	100
 #define _NR_SYS_PROCS	32
+#define _NR_HOLES (2*_NR_PROCS+4)  /* No. of memory holes maintained by PM */
 
 /* Set the CHIP type based on the machine selected. The symbol CHIP is actually
  * indicative of more than just the CPU.  For example, machines for which

include/minix/type.h

@@ -47,6 +47,13 @@ struct vir_addr {
   vir_bytes offset;
 };
 
+/* Memory allocation by PM. */
+struct hole {
+  struct hole *h_next;          /* pointer to next entry on the list */
+  phys_clicks h_base;           /* where does the hole begin? */
+  phys_clicks h_len;            /* how big is the hole? */
+};
+
 #define phys_cp_req vir_cp_req 
 struct vir_cp_req {
   struct vir_addr src;