CLEAR_USER
Section: Memory Management in Linux (9)
Updated: February 2011
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NAME
clear_user - Zero a block of memory in user space.
SYNOPSIS
-
unsigned long clear_user(void __user * to, unsigned long n);
ARGUMENTS
to
-
- Destination address, in user space.
n
-
Number of bytes to zero.
DESCRIPTION
Zero a block of memory in user space.
Returns number of bytes that could not be cleared. On success, this will be zero.
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