On Mon, May 18, 2020 at 03:18:28PM -0700, Andrew Morton wrote: > On Sat, 16 May 2020 14:56:41 +0200 Joerg Roedel <jroedel@xxxxxxx> wrote: > --- a/mm/vmalloc.c~mm-vmalloc-track-which-page-table-levels-were-modified-fix > +++ a/mm/vmalloc.c > @@ -309,6 +309,9 @@ int map_kernel_range_noflush(unsigned lo > return err; > } while (pgd++, addr = next, addr != end); > > + if (mask & ARCH_PAGE_TABLE_SYNC_MASK) > + arch_sync_kernel_mappings(start, end); > + > return 0; > } Yes, this is the right call. > It would be nice to get all this (ie, linux-next) retested before we > send it upstream, please. Will do and report back. Thanks, Joerg