> -----Original Message----- > From: kvm-ppc-owner@xxxxxxxxxxxxxxx > [mailto:kvm-ppc-owner@xxxxxxxxxxxxxxx] On Behalf Of Alexander Graf > Sent: Tuesday, September 20, 2011 7:36 AM > To: kvm-ppc@xxxxxxxxxxxxxxx > Cc: kvm@xxxxxxxxxxxxxxx > Subject: [PATCH] KVM: PPC: E500: Support hugetlbfs > > With hugetlbfs support emerging on e500, we should also support KVM > backing its guest memory by it. > > This patch adds support for hugetlbfs into the e500 shadow mmu code. > > Signed-off-by: Alexander Graf <agraf@xxxxxxx> > --- > arch/powerpc/kvm/e500_tlb.c | 22 ++++++++++++++++++++++ > 1 files changed, 22 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c > index ec17148..64f75eb 100644 > --- a/arch/powerpc/kvm/e500_tlb.c > +++ b/arch/powerpc/kvm/e500_tlb.c > @@ -24,6 +24,7 @@ > #include <linux/sched.h> > #include <linux/rwsem.h> > #include <linux/vmalloc.h> > +#include <linux/hugetlb.h> > #include <asm/kvm_ppc.h> > #include <asm/kvm_e500.h> > > @@ -673,13 +674,34 @@ static inline void > kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, > pfn &= ~(tsize_pages - 1); > break; > } > + } else if (vma && hva >= vma->vm_start && > + (vma->vm_flags & VM_HUGETLB)) { Why check (vma && hva >= vma->vm_start) twice? Thanks, Yu -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
