10     mm::{MemoryManagementArch, PhysAddr, VirtAddr},
22     pub fn new(paddr: PhysAddr) -> Self {  in new()
39     pub fn phys_address(&self) -> PhysAddr {  in phys_address()  argument
40         return PhysAddr::new(self.number * MMArch::PAGE_SIZE);  in phys_address()
311     unsafe fn allocate(&mut self, count: PageFrameCount) -> Option<(PhysAddr, PageFrameCount)>;  in allocate()  argument
314     unsafe fn free(&mut self, address: PhysAddr, count: PageFrameCount);  in free()  argument
316     unsafe fn allocate_one(&mut self) -> Option<PhysAddr> {  in allocate_one()  argument
320     unsafe fn free_one(&mut self, address: PhysAddr) {  in free_one()  argument
329     unsafe fn allocate(&mut self, count: PageFrameCount) -> Option<(PhysAddr, PageFrameCount)> {  in allocate()  argument
332     unsafe fn free(&mut self, address: PhysAddr, count: PageFrameCount) {  in free()  argument
335     unsafe fn allocate_one(&mut self) -> Option<PhysAddr> {  in allocate_one()  argument
338     unsafe fn free_one(&mut self, address: PhysAddr) {  in free_one()  argument
349 pub unsafe fn allocate_page_frames(count: PageFrameCount) -> Option<(PhysAddr, PageFrameCount)> {  in allocate_page_frames()  argument