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x86, uaccess: Merge prototypes for clear_user/__clear_user

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The prototypes for clear_user() and __clear_user() are identical in
the 32- and 64-bit headers.  No functionality change.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-8-git-send-email-hpa@linux.intel.com
This commit is contained in:
H. Peter Anvin 2012-09-21 12:43:11 -07:00
parent 51ae4a2d77
commit a052858fab
3 changed files with 3 additions and 6 deletions
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3
arch/x86/include/asm/uaccess.h
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@ -569,6 +569,9 @@ strncpy_from_user(char *dst, const char __user *src, long count);
extern __must_check long strlen_user(const char __user *str);
extern __must_check long strnlen_user(const char __user *str, long n);
unsigned long __must_check clear_user(void __user *mem, unsigned long len);
unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
/*
* movsl can be slow when source and dest are not both 8-byte aligned
*/

3
arch/x86/include/asm/uaccess_32.h
View file

@ -213,7 +213,4 @@ static inline unsigned long __must_check copy_from_user(void *to,
return n;
}
unsigned long __must_check clear_user(void __user *mem, unsigned long len);
unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
#endif /* _ASM_X86_UACCESS_32_H */

3
arch/x86/include/asm/uaccess_64.h
View file

@ -217,9 +217,6 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
}
}
__must_check unsigned long clear_user(void __user *mem, unsigned long len);
__must_check unsigned long __clear_user(void __user *mem, unsigned long len);
static __must_check __always_inline int
__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size)
{