[PATCH v3 0/2] KVM/ARM Huge pages support
Christoffer Dall
christoffer.dall at linaro.org
Sat Oct 12 21:11:16 EDT 2013
On Tue, Oct 08, 2013 at 06:22:41PM +0100, Marc Zyngier wrote:
> On 04/10/13 17:13, Christoffer Dall wrote:
> > This small series adds support for Transparent Huge Pages and hugetlbfs
> > pages for KVM on the arm and arm64 architectures.
> >
> > Measurements have shown that using huge pages in for stage-2 mappings
> > provides up to more than 15% performance increase for some workloads.
> >
> > The patch series applies to kvm/next, but depends on the patch sent
> > earlier:
> > http://marc.info/?l=kvm&m=138074894126934&w=2
> >
> > The whole thing can also be cloned from here:
> > git://git.linaro.org/people/cdall/linux-kvm-arm.git kvm-arm-hugepages-v3
> >
> > See the patches for changelogs.
> >
> > Christoffer Dall (2):
> > KVM: ARM: Support hugetlbfs backed huge pages
> > KVM: ARM: Transparent huge page (THP) support
> >
> > arch/arm/include/asm/kvm_mmu.h | 17 ++-
> > arch/arm/include/asm/pgtable-3level.h | 2 +
> > arch/arm/kvm/mmu.c | 223 +++++++++++++++++++++++++++------
> > arch/arm64/include/asm/kvm_mmu.h | 12 +-
> > arch/arm64/include/asm/pgtable-hwdef.h | 2 +
> > 5 files changed, 212 insertions(+), 44 deletions(-)
>
> Looks good to me. For the series:
>
> Acked-by: Marc Zyngier <marc.zyngier at arm.com>
>
Thanks, waiting for the kvm huge page defines patch series to be applied
to kvm/next before I apply this.
-Christoffer
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