On Wed, Jun 09, 2021 at 11:44:10PM -0700, Hugh Dickins wrote: > page_vma_mapped_walk() cleanup: adjust the test for crossing page table > boundary - I believe pvmw->address is always page-aligned, but nothing > else here assumed that; Maybe we should just get it aligned instead? (PMD_SIZE - PAGE_SIZE) is not most obvious mask calculation. > and remember to reset pvmw->pte to NULL after > unmapping the page table, though I never saw any bug from that. Okay, it's fair enough. -- Kirill A. Shutemov