On Fri, Apr 27, 2018 at 01:39:23PM +0200, Michal Hocko wrote: > On Fri 27-04-18 09:37:20, joro@xxxxxxxxxx wrote: > [...] > > So until we make the generic ioremap code in lib/ioremap.c smarter about > > unmapping/remapping ranges the best solution is making my fix work again > > by reverting your patch. > > Could you reuse the same mmu_gather mechanism as we use in the > zap_*_range? Yeah, maybe, I havn't looked into the details yet. At least something similar is needed. Joerg