===== ipcbuf.h 1.1 vs edited =====
--- 1.1/include/asm-ppc/ipcbuf.h	Wed Jan 19 03:00:31 2000
+++ edited/ipcbuf.h	Sat Sep 23 13:52:17 2000
@@ -2,10 +2,29 @@
 #define __PPC_IPCBUF_H__

 /*
- * The ipc64_perm structure for the PPC is identical to kern_ipc_perm
- * as we have always had 32-bit UIDs and GIDs in the kernel.
+ * The ipc64_perm structure for PPC architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit seq
+ * - 2 miscellaneous 64-bit values (so that this structure matches
+ *                                  PPC64 ipc64_perm)
  */
-
-#define ipc64_perm	kern_ipc_perm
+
+struct ipc64_perm
+{
+	__kernel_key_t		key;
+	__kernel_uid_t		uid;
+	__kernel_gid_t		gid;
+	__kernel_uid_t		cuid;
+	__kernel_gid_t		cgid;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned int		__pad2;
+	unsigned long long	__unused1;
+	unsigned long long	__unused2;
+};

 #endif /* __PPC_IPCBUF_H__ */
===== msgbuf.h 1.1 vs edited =====
--- 1.1/include/asm-ppc/msgbuf.h	Wed Jan 19 03:00:31 2000
+++ edited/msgbuf.h	Fri Sep 22 23:27:16 2000
@@ -7,7 +7,6 @@

 struct msqid64_ds {
 	struct ipc64_perm msg_perm;
-	unsigned int	__unused0;
 	unsigned int	__unused1;
 	__kernel_time_t msg_stime;	/* last msgsnd time */
 	unsigned int	__unused2;
===== sembuf.h 1.1 vs edited =====
--- 1.1/include/asm-ppc/sembuf.h	Wed Jan 19 03:00:31 2000
+++ edited/sembuf.h	Sun Sep 24 11:19:56 2000
@@ -7,7 +7,6 @@

 struct semid64_ds {
 	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
-	unsigned int	__unused0;
 	unsigned int	__unused1;
 	__kernel_time_t	sem_otime;		/* last semop time */
 	unsigned int	__unused2;
===== shmbuf.h 1.1 vs edited =====
--- 1.1/include/asm-ppc/shmbuf.h	Wed Jan 19 03:00:31 2000
+++ edited/shmbuf.h	Sun Sep 24 12:03:19 2000
@@ -7,14 +7,13 @@

 struct shmid64_ds {
 	struct ipc64_perm	shm_perm;	/* operation perms */
-	unsigned int		__unused0;
-	size_t			shm_segsz;	/* size of segment (bytes) */
 	unsigned long		__unused1;
 	__kernel_time_t		shm_atime;	/* last attach time */
 	unsigned long		__unused2;
 	__kernel_time_t		shm_dtime;	/* last detach time */
 	unsigned long		__unused3;
 	__kernel_time_t		shm_ctime;	/* last change time */
+	size_t			shm_segsz;	/* size of segment (bytes) */
 	__kernel_pid_t		shm_cpid;	/* pid of creator */
 	__kernel_pid_t		shm_lpid;	/* pid of last operator */
 	unsigned long		shm_nattch;	/* no. of current attaches */