Remove the parameter align from the populate_area function.

[Ticonderoga2017]

Description

Related Issues(If necessary)

Implementation Details

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Additional Notes

[Azure-stars]

remove the final unused branch because it will not be entered

arceos/modules/axmm/src/backend/page_iter_wrapper.rs

Lines 55 to 60 in 097f415

	match page_size {
	PageSize::Size4K => PageIter4K::<VirtAddr>::new(start, end).map(Self::Size4K),
	PageSize::Size2M => PageIter2M::<VirtAddr>::new(start, end).map(Self::Size2M),
	PageSize::Size1G => PageIter1G::<VirtAddr>::new(start, end).map(Self::Size1G),
	_ => None,
	}

[Azure-stars]

And please move https://github.com/oscomp/arceos/blob/main/modules/axmm/src/backend/page_iter_wrapper.rs to the axmm/src directory. It should not be put under backend.

[Azure-stars]

Finish it in #50.