Struct allocator::BuddyByteAllocator

pub struct BuddyByteAllocator { /* private fields */ }

A byte-granularity memory allocator based on the buddy_system_allocator.

Implementations

impl BuddyByteAllocator

pub const fn new() -> Self

Creates a new empty BuddyByteAllocator.

Trait Implementations

impl BaseAllocator for BuddyByteAllocator

fn init(&mut self, start: usize, size: usize)

Initialize the allocator with a free memory region.

fn add_memory(&mut self, start: usize, size: usize) -> AllocResult

Add a free memory region to the allocator.

impl ByteAllocator for BuddyByteAllocator

fn alloc(&mut self, layout: Layout) -> AllocResult<NonNull<u8>>

Allocate memory with the given size (in bytes) and alignment.

fn dealloc(&mut self, pos: NonNull<u8>, layout: Layout)

Deallocate memory at the given position, size, and alignment.

fn total_bytes(&self) -> usize

Returns total memory size in bytes.

fn used_bytes(&self) -> usize

Returns allocated memory size in bytes.

fn available_bytes(&self) -> usize

Returns available memory size in bytes.