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| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-11-30 17:37:04 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-12-11 06:44:29 -0500 |
| commit | f8b7256096a20436f6d0926747e3ac3d64c81d24 (patch) | |
| tree | 18bcabd1de263bd2d0f8d6b763bde8b037716c5c /arch/avr32 | |
| parent | 0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301 (diff) | |
| download | linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.tar.gz linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.tar.bz2 linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.zip | |
Unify sys_mmap*
New helper - sys_mmap_pgoff(); switch syscalls to using it.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/include/asm/syscalls.h | 4 | ||||
| -rw-r--r-- | arch/avr32/kernel/sys_avr32.c | 31 | ||||
| -rw-r--r-- | arch/avr32/kernel/syscall-stubs.S | 2 |
3 files changed, 1 insertions, 36 deletions
diff --git a/arch/avr32/include/asm/syscalls.h b/arch/avr32/include/asm/syscalls.h index 483d666c27c0..66a197266637 100644 --- a/arch/avr32/include/asm/syscalls.h +++ b/arch/avr32/include/asm/syscalls.h @@ -29,10 +29,6 @@ asmlinkage int sys_sigaltstack(const stack_t __user *, stack_t __user *, struct pt_regs *); asmlinkage int sys_rt_sigreturn(struct pt_regs *); -/* kernel/sys_avr32.c */ -asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long, - unsigned long, unsigned long, off_t); - /* mm/cache.c */ asmlinkage int sys_cacheflush(int, void __user *, size_t); diff --git a/arch/avr32/kernel/sys_avr32.c b/arch/avr32/kernel/sys_avr32.c index 5d2daeaf356f..459349b5ed5a 100644 --- a/arch/avr32/kernel/sys_avr32.c +++ b/arch/avr32/kernel/sys_avr32.c @@ -5,39 +5,8 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/mm.h> #include <linux/unistd.h> -#include <asm/mman.h> -#include <asm/uaccess.h> -#include <asm/syscalls.h> - -asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset) -{ - int error = -EBADF; - struct file *file = NULL; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - return error; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, offset); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); - return error; -} - int kernel_execve(const char *file, char **argv, char **envp) { register long scno asm("r8") = __NR_execve; diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S index f7244cd02fbb..0447a3e2ba64 100644 --- a/arch/avr32/kernel/syscall-stubs.S +++ b/arch/avr32/kernel/syscall-stubs.S @@ -61,7 +61,7 @@ __sys_execve: __sys_mmap2: pushm lr st.w --sp, ARG6 - call sys_mmap2 + call sys_mmap_pgoff sub sp, -4 popm pc |