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| CLEAR_USER(9) | Memory Management in Linux | CLEAR_USER(9) |
NAME¶
clear_user - Zero a block of memory in user space.
SYNOPSIS¶
unsigned long clear_user(void __user * to, unsigned long n);
ARGUMENTS¶
void __user * to
Destination address, in user space.
unsigned long 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.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |