2 * Copyright (C) 2001 Chris Emerson (cemerson@chiark.greenend.org.uk)
3 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
4 * Licensed under the GPL
7 /* These are here rather than tt/uaccess.c because skas mode needs them in
8 * order to do SIGBUS recovery when a tmpfs mount runs out of room.
11 #include <linux/string.h>
14 void __do_copy(void *to, const void *from, int n)
20 int __do_copy_to_user(void *to, const void *from, int n,
21 void **fault_addr, jmp_buf **fault_catcher)
26 fault = __do_user_copy(to, from, n, fault_addr, fault_catcher,
28 if(!faulted) return(0);
29 else return(n - (fault - (unsigned long) to));