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authorArnd Bergmann <arnd@arndb.de>2024-06-04 23:46:36 +0200
committerArnd Bergmann <arnd@arndb.de>2024-06-25 15:57:37 +0200
commit5daf62da52ecd5761d63cbb6489eb434645547df (patch)
tree47ce2a5cb8c54cba7b9d57378c1277e5a851aba1 /arch/s390/kernel/syscall.c
parent896842284c6ccba25ec9d78b7b6e62cdd507c083 (diff)
s390: remove native mmap2() syscall
The mmap2() syscall has never been used on 64-bit s390x and should have been removed as part of 5a79859ae0f3 ("s390: remove 31 bit support"). Remove it now. Acked-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/s390/kernel/syscall.c')
-rw-r--r--arch/s390/kernel/syscall.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/s390/kernel/syscall.c b/arch/s390/kernel/syscall.c
index dc2355c623d6..50cbcbbaa03d 100644
--- a/arch/s390/kernel/syscall.c
+++ b/arch/s390/kernel/syscall.c
@@ -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.