Commit 5daf62da authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

s390: remove native mmap2() syscall 



The mmap2() syscall has never been used on 64-bit s390x and should
have been removed as part of 5a79859a ("s390: remove 31 bit
support").

Remove it now.

Acked-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 89684228

arch/s390/kernel/syscall.c

+0 −27
Original line number Diff line number Diff line
@@ -38,33 +38,6 @@ 


#include "entry.h"



/*

 * Perform the mmap() system call. Linux for S/390 isn't able to handle more

 * than 5 system call parameters, so this system call uses a memory block

 * for parameter passing.

 */



struct s390_mmap_arg_struct {

	unsigned long addr;

	unsigned long len;

	unsigned long prot;

	unsigned long flags;

	unsigned long fd;

	unsigned long offset;

};



SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)

{

	struct s390_mmap_arg_struct a;

	int error = -EFAULT;



	if (copy_from_user(&a, arg, sizeof(a)))

		goto out;

	error = ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);

out:

	return error;

}



#ifdef CONFIG_SYSVIPC

/*

 * sys_ipc() is the de-multiplexer for the SysV IPC calls.