1#include <sys/mman.h>
 2#include "libc.h"
 3#include "syscall.h"
 4
 5int __mprotect(void *addr, size_t len, int prot)
 6{
 7	size_t start, end;
 8	start = (size_t)addr & -PAGE_SIZE;
 9	end = (size_t)((char *)addr + len + PAGE_SIZE-1) & -PAGE_SIZE;
10	return syscall(SYS_mprotect, start, end-start, prot);
11}
12
13weak_alias(__mprotect, mprotect);