Method initialize

kernel/kernel/Memory/VirtualRange.cpp:60–75

	}

	BAN::ErrorOr<void> VirtualRange::initialize()
	{
		const size_t page_count = size() / PAGE_SIZE;
		for (size_t i = 0; i < page_count; i++)
		{
			const auto paddr = Heap::get().take_free_page();
			if (paddr == 0)
				return BAN::Error::from_errno(ENOMEM);
			PageTable::with_fast_page(paddr, [] {
				memset(PageTable::fast_page_as_ptr(), 0, PAGE_SIZE);
			});
			m_page_table.map_page_at(paddr, vaddr() + i * PAGE_SIZE, m_flags, PageTable::MemoryType::Normal, false);
		}
		m_page_table.invalidate_range(m_vaddr, page_count, true);
		return {};
	}

}