page_frame_allocator.h

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#pragma once
 
#include "iris/core/error.h"
#include "iris/mm/physical_address.h"
 
namespace iris::mm {
void reserve_page_frames(PhysicalAddress base_address, usize page_count);
void unreserve_page_frames(PhysicalAddress base_address, usize page_count);
auto allocate_page_frame() -> Expected<PhysicalAddress>;
auto allocate_physically_contiguous_page_frames(usize page_count) -> Expected<PhysicalAddress>;
void deallocate_page_frame(PhysicalAddress);
}