PAGE_READ
[VM_READ] = PAGE_READ,
[VM_WRITE] = PAGE_READ,
[VM_WRITE | VM_READ] = PAGE_READ,
[VM_EXEC] = PAGE_READ,
[VM_EXEC | VM_READ] = PAGE_READ,
[VM_EXEC | VM_WRITE] = PAGE_READ,
[VM_EXEC | VM_WRITE | VM_READ] = PAGE_READ,
[VM_SHARED | VM_READ] = PAGE_READ,
[VM_SHARED | VM_EXEC] = PAGE_READ,
[VM_SHARED | VM_EXEC | VM_READ] = PAGE_READ,
#define PAGE_COPY PAGE_READ
prot = PAGE_READ;
[VM_READ] = PAGE_READ,
[VM_SHARED | VM_READ] = PAGE_READ,