Struct VmRegion 

pub struct VmRegion { /* private fields */ }

Implementations

impl VmRegion

pub fn new( start: VirtAddr, len: usize, kind: VmRegionKind, permissions: VmPermissions, ) -> Result<Self, &'static str>

pub const fn start(&self) -> VirtAddr

pub const fn end(&self) -> VirtAddr

pub const fn kind(&self) -> VmRegionKind

pub const fn permissions(&self) -> VmPermissions

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn page_count(&self) -> usize

pub fn contains(&self, addr: VirtAddr) -> bool

pub fn overlaps(&self, other: &VmRegion) -> bool

pub fn committed_page_count(&self) -> usize

pub fn is_page_committed(&self, addr: VirtAddr) -> bool

pub fn commit_page(&mut self, addr: VirtAddr) -> Result<bool, &'static str>

pub fn grow_down_to( &mut self, fault_addr: VirtAddr, ) -> Result<bool, &'static str>

Trait Implementations

impl Clone for VmRegion

fn clone(&self) -> VmRegion

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for VmRegion

impl Debug for VmRegion

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for VmRegion

impl PartialEq for VmRegion

fn eq(&self, other: &VmRegion) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for VmRegion