On Fri, Oct 12, 2018 at 02:30:56PM +0300, Kirill A. Shutemov wrote: > On Thu, Oct 11, 2018 at 06:37:56PM -0700, Joel Fernandes (Google) wrote: > > @@ -239,7 +287,21 @@ unsigned long move_page_tables(struct vm_area_struct > > *vma, > > split_huge_pmd(vma, old_pmd, old_addr); > > if (pmd_trans_unstable(old_pmd)) > > continue; > > + } else if (extent == PMD_SIZE) { > > Hm. What guarantees that new_addr is PMD_SIZE-aligned? > It's not obvious to me.
Ignore this :) -- Kirill A. Shutemov