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SubjectRe: [PATCH v2 0/3] kvm: Use huge pages for DAX-backed files
[ add Alex who is looking into removing PageReserved for DAX pages. ]
On Wed, Nov 14, 2018 at 1:53 PM Barret Rhoden <brho@google.com> 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@google.com/
>
> v1 -> v2:
> https://lore.kernel.org/lkml/20181109203921.178363-1-brho@google.com/
>
> - 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
>

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