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
