On 2018-11-14 at 16:55 Dan Williams <dan.j.williams@xxxxxxxxx> wrote: > [ add Alex who is looking into removing PageReserved for DAX pages. ] Thanks. I can keep my eye out for his patches and repost once that's done. Alternatively, if you all want to merge this before the PageReserved / DAX changes, then I can repost - just Ack/Review tags. It's harmless with the existing PageReserved behavior. Thanks, Barret > On Wed, Nov 14, 2018 at 1:53 PM Barret Rhoden <brho@xxxxxxxxxx> wrote: > > > > This patch series depends on dax pages not being PageReserved. Once > > that is in place, these changes will let KVM use huge pages with > > dax-backed files. Without the PageReserved change, KVM and DAX still > > work with these patches, simply without huge pages - which is the > > current situation. > > > > RFC/discussion thread: > > https://lore.kernel.org/lkml/20181029210716.212159-1-brho@xxxxxxxxxx/ > > > > v1 -> v2: > > https://lore.kernel.org/lkml/20181109203921.178363-1-brho@xxxxxxxxxx/ > > > > - Updated Acks/Reviewed-by > > - Minor touchups > > - Added patch to remove redundant PageReserved() check > > - Rebased onto linux-next > > > > > > Barret Rhoden (3): > > mm: make dev_pagemap_mapping_shift() externally visible > > kvm: Use huge pages for DAX-backed files > > kvm: remove redundant PageReserved() check > > > > arch/x86/kvm/mmu.c | 33 +++++++++++++++++++++++++++++++-- > > include/linux/mm.h | 3 +++ > > mm/memory-failure.c | 38 +++----------------------------------- > > mm/util.c | 34 ++++++++++++++++++++++++++++++++++ > > virt/kvm/kvm_main.c | 8 ++------ > > 5 files changed, 73 insertions(+), 43 deletions(-) > > > > -- > > 2.19.1.1215.g8438c0b245-goog > >
