pub use self::area_frame_allocator::AreaFrameAllocator;

pub mod paging;
mod area_frame_allocator;

pub const PAGE_SIZE: usize = 4096;

#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct Frame {
    number: usize,
}

impl Frame {
    fn containing_address(address: usize) -> Frame {
        Frame { number: address / PAGE_SIZE }
    }
}

pub trait FrameAllocator {
    fn allocate_frame(&mut self) -> Option<Frame>;
    fn deallocate_frame(&mut self, frame: Frame);
}