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| author | Arnd Bergmann <arnd@arndb.de> | 2024-06-05 00:46:36 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2024-06-25 16:57:37 +0300 |
| commit | 5daf62da52ecd5761d63cbb6489eb434645547df (patch) | |
| tree | 47ce2a5cb8c54cba7b9d57378c1277e5a851aba1 /arch/s390 | |
| parent | 896842284c6ccba25ec9d78b7b6e62cdd507c083 (diff) | |
| download | linux-5daf62da52ecd5761d63cbb6489eb434645547df.tar.xz | |
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')
| -rw-r--r-- | arch/s390/kernel/syscall.c | 27 |
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. |