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Merge up to 2.6.25-rc3
Merge of 2.6.x-xfs-melb:linux:30555a by kenmcd.

#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/syscalls.h>
#include <linux/time.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/ipc.h>
#include <linux/compat.h>

asmlinkage long sys32_ipc(u32 call, int first, int second, int third,
			  compat_uptr_t ptr, u32 fifth)
{
	int version;

	version = call >> 16; /* hack for backward compatibility */
	call &= 0xffff;

	switch (call) {
	case SEMOP:
		/* struct sembuf is the same on 32 and 64bit :)) */
		return sys_semtimedop(first, compat_ptr(ptr), second, NULL);
	case SEMTIMEDOP:
		return compat_sys_semtimedop(first, compat_ptr(ptr), second,
						compat_ptr(fifth));
	case SEMGET:
		return sys_semget(first, second, third);
	case SEMCTL:
		return compat_sys_semctl(first, second, third, compat_ptr(ptr));

	case MSGSND:
		return compat_sys_msgsnd(first, second, third, compat_ptr(ptr));
	case MSGRCV:
		return compat_sys_msgrcv(first, second, fifth, third,
					 version, compat_ptr(ptr));
	case MSGGET:
		return sys_msgget((key_t) first, second);
	case MSGCTL:
		return compat_sys_msgctl(first, second, compat_ptr(ptr));

	case SHMAT:
		return compat_sys_shmat(first, second, third, version,
					compat_ptr(ptr));
	case SHMDT:
		return sys_shmdt(compat_ptr(ptr));
	case SHMGET:
		return sys_shmget(first, (unsigned)second, third);
	case SHMCTL:
		return compat_sys_shmctl(first, second, compat_ptr(ptr));
	}
	return -ENOSYS;
}