Method mprotect

devices/src/pvmemcontrol.rs:474–484

(
        &self,
        addr: u64,
        length: u64,
        protection: libc::c_int,
    )

    }

    fn mprotect(
        &self,
        addr: u64,
        length: u64,
        protection: libc::c_int,
    ) -> result::Result<(), Error> {
        // SAFETY: [`base`, `base` + `len`) is guest memory
        self.operate_on_memory_range(addr, length, |base, len| unsafe {
            libc::mprotect(base, len, protection)
        })
    }

    fn set_vma_anon_name(&self, addr: u64, length: u64, name: u64) -> result::Result<(), Error> {
        let name = (name != 0).then(|| CString::new(format!("pvmemcontrol-{name}")).unwrap());