Method allocate_consecutive_frames

kernel/src/memory/frame_allocator.rs:371–382

Allocate a set of consecutive frames

(
        &mut self,
        needed_frames: u64,
        max_address: u64
    )

    /// Allocate a set of consecutive frames
    pub fn allocate_consecutive_frames(
        &mut self,
        needed_frames: u64,
        max_address: u64
    ) -> Option<PhysFrame> {
        if let Some(frame_number) = self.consecutive_frames(needed_frames, max_address) {
            // Convert from frame number to physical address
            return PhysFrame::from_start_address(
                self.frame_phys_addr + frame_number * 4096).ok();
        }
        None
    }
}

unsafe impl FrameAllocator<Size4KiB> for MultilevelBitmapFrameAllocator {