PROT_SAO
return (((prot & PROT_SAO) ? VM_SAO : 0) | pkey_to_vmflag_bits(pkey));
return ((prot & PROT_SAO) ? VM_SAO : 0);
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
if (prot & PROT_SAO) {
p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE | PROT_SAO,