--- Gnu-Mach/ipc/ipc_entry.c	2020/09/02 04:36:56	1.1.1.1
+++ Gnu-Mach/ipc/ipc_entry.c	2020/09/02 04:45:08	1.1.1.3
@@ -25,7 +25,7 @@
  *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
- *
+ */
 /*
  *	File:	ipc/ipc_entry.c
  *	Author:	Rich Draves
@@ -34,11 +34,14 @@
  *	Primitive functions to manipulate translation entries.
  */
 
+#include <kern/printf.h>
+#include <string.h>
+
 #include <mach/kern_return.h>
 #include <mach/port.h>
 #include <kern/assert.h>
 #include <kern/sched_prim.h>
-#include <kern/zalloc.h>
+#include <kern/slab.h>
 #include <ipc/port.h>
 #include <ipc/ipc_types.h>
 #include <ipc/ipc_entry.h>
@@ -48,7 +51,7 @@
 #include <ipc/ipc_table.h>
 #include <ipc/ipc_object.h>
 
-zone_t ipc_tree_entry_zone;
+struct kmem_cache ipc_tree_entry_cache;
 
 /*
  *	Routine:	ipc_entry_tree_collision
@@ -574,6 +577,7 @@ ipc_entry_grow_table(space)
 
 		if (osize == size) {
 			is_write_unlock(space);
+			printf_once("no more room for ipc_entry_grow_table in space %p\n", space);
 			return KERN_NO_SPACE;
 		}
 
@@ -635,7 +639,7 @@ ipc_entry_grow_table(space)
 		 */
 
 		if (!it_entries_reallocable(oits))
-			(void) memcpy((void *) table, (const void *) otable,
+			memcpy(table, otable,
 			      osize * sizeof(struct ipc_entry));
 
 		for (i = 0; i < osize; i++)
@@ -831,6 +835,8 @@ ipc_entry_grow_table(space)
 
 #if	MACH_KDB
 #include <ddb/db_output.h>
+#include <kern/task.h>
+
 #define	printf	kdbprintf
 
 ipc_entry_t	db_ipc_object_by_name(