1 #define _GNU_SOURCE
2 #include <sys/mman.h>
3 #include "syscall.h"
4 
posix_madvise(void * addr,size_t len,int advice)5 int 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