__copy_to_user man page on OpenSuSE

__copy_to_user man page on OpenSuSE

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__COPY_TO_USER(9)	  Memory Management in Linux	     __COPY_TO_USER(9)

NAME
       __copy_to_user - Copy a block of data into user space, with less
       checking.

SYNOPSIS
       unsigned long __copy_to_user(void __user * to, const void * from,
				    unsigned long n);

ARGUMENTS
       to
	   Destination address, in user space.

       from
	   Source address, in kernel space.

       n
	   Number of bytes to copy.

CONTEXT
       User context only. This function may sleep.

DESCRIPTION
       Copy data from kernel space to user space. Caller must check the
       specified block with access_ok before calling this function.

       Returns number of bytes that could not be copied. On success, this will
       be zero.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		     __COPY_TO_USER(9)

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