On Mon, Sep 17, 2018 at 12:33:47PM -0700, Hugh Dickins wrote: > In several of the recent stable trees, I think this will not do any > actual harm; but it looks as if it will prevent relevant x86-32 configs > from building on 3.18 (I see no definition of PGD_ALLOCATION_ORDER in > linux-3.18.y - you preferred not to have any PTI in that tree), and I > haven't checked whether its definition in older backports will build > correctly here or not. Right, thanks for pointing that out. I should have added a Fixes:-tag to the patch to make clear what the fix it for, sorry for that. Joerg