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