1#define _GNU_SOURCE 1
 2#include <sys/mman.h>
 3#include "syscall.h"
 4
 5int mlock2(const void *addr, size_t len, unsigned flags)
 6{
 7	if (flags == 0)
 8		return mlock(addr, len);
 9	return syscall(SYS_mlock2, addr, len, flags);
10}