1#define _GNU_SOURCE 2#include <sys/mman.h> 3#include "syscall.h" 4 5int posix_madvise(void *addr, size_t len, int advice) 6{ 7 if (advice == MADV_DONTNEED) return 0; 8 return -__syscall(SYS_madvise, addr, len, advice); 9} 10