Re: [PATCH v2 11/20] kvm: rename pfn_t to kvm_pfn_t
From: Paolo Bonzini
Date: Sat Oct 10 2015 - 16:36:26 EST
On 10/10/2015 02:56, Dan Williams wrote:
> The core has developed a need for a "pfn_t" type [1]. Move the existing
> pfn_t in KVM to kvm_pfn_t [2].
>
> [1]: https://lists.01.org/pipermail/linux-nvdimm/2015-September/002199.html
> [2]: https://lists.01.org/pipermail/linux-nvdimm/2015-September/002218.html
Can you please change also the other types in include/linux/kvm_types.h?
Thanks,
Paolo
> Cc: Dave Hansen <dave@xxxxxxxx>
> Cc: Gleb Natapov <gleb@xxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: Alexander Graf <agraf@xxxxxxxx>
> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---
> arch/arm/include/asm/kvm_mmu.h | 5 ++--
> arch/arm/kvm/mmu.c | 10 ++++---
> arch/arm64/include/asm/kvm_mmu.h | 3 +-
> arch/mips/include/asm/kvm_host.h | 6 ++--
> arch/mips/kvm/emulate.c | 2 +
> arch/mips/kvm/tlb.c | 14 +++++-----
> arch/powerpc/include/asm/kvm_book3s.h | 4 +--
> arch/powerpc/include/asm/kvm_ppc.h | 2 +
> arch/powerpc/kvm/book3s.c | 6 ++--
> arch/powerpc/kvm/book3s_32_mmu_host.c | 2 +
> arch/powerpc/kvm/book3s_64_mmu_host.c | 2 +
> arch/powerpc/kvm/e500.h | 2 +
> arch/powerpc/kvm/e500_mmu_host.c | 8 +++---
> arch/powerpc/kvm/trace_pr.h | 2 +
> arch/x86/kvm/iommu.c | 11 ++++----
> arch/x86/kvm/mmu.c | 37 +++++++++++++-------------
> arch/x86/kvm/mmu_audit.c | 2 +
> arch/x86/kvm/paging_tmpl.h | 6 ++--
> arch/x86/kvm/vmx.c | 2 +
> arch/x86/kvm/x86.c | 2 +
> include/linux/kvm_host.h | 37 +++++++++++++-------------
> include/linux/kvm_types.h | 2 +
> virt/kvm/kvm_main.c | 47 +++++++++++++++++----------------
> 23 files changed, 110 insertions(+), 104 deletions(-)
>
> diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
> index 405aa1883307..8ebd282dfc2b 100644
> --- a/arch/arm/include/asm/kvm_mmu.h
> +++ b/arch/arm/include/asm/kvm_mmu.h
> @@ -182,7 +182,8 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
> return (vcpu->arch.cp15[c1_SCTLR] & 0b101) == 0b101;
> }
>
> -static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
> +static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
> + kvm_pfn_t pfn,
> unsigned long size,
> bool ipa_uncached)
> {
> @@ -246,7 +247,7 @@ static inline void __kvm_flush_dcache_pte(pte_t pte)
> static inline void __kvm_flush_dcache_pmd(pmd_t pmd)
> {
> unsigned long size = PMD_SIZE;
> - pfn_t pfn = pmd_pfn(pmd);
> + kvm_pfn_t pfn = pmd_pfn(pmd);
>
> while (size) {
> void *va = kmap_atomic_pfn(pfn);
> diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
> index 6984342da13d..e2dcbfdc4a8c 100644
> --- a/arch/arm/kvm/mmu.c
> +++ b/arch/arm/kvm/mmu.c
> @@ -988,9 +988,9 @@ out:
> return ret;
> }
>
> -static bool transparent_hugepage_adjust(pfn_t *pfnp, phys_addr_t *ipap)
> +static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
> {
> - pfn_t pfn = *pfnp;
> + kvm_pfn_t pfn = *pfnp;
> gfn_t gfn = *ipap >> PAGE_SHIFT;
>
> if (PageTransCompound(pfn_to_page(pfn))) {
> @@ -1202,7 +1202,7 @@ void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm,
> kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask);
> }
>
> -static void coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
> +static void coherent_cache_guest_page(struct kvm_vcpu *vcpu, kvm_pfn_t pfn,
> unsigned long size, bool uncached)
> {
> __coherent_cache_guest_page(vcpu, pfn, size, uncached);
> @@ -1219,7 +1219,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
> struct kvm *kvm = vcpu->kvm;
> struct kvm_mmu_memory_cache *memcache = &vcpu->arch.mmu_page_cache;
> struct vm_area_struct *vma;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> pgprot_t mem_type = PAGE_S2;
> bool fault_ipa_uncached;
> bool logging_active = memslot_is_logging(memslot);
> @@ -1347,7 +1347,7 @@ static void handle_access_fault(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa)
> {
> pmd_t *pmd;
> pte_t *pte;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> bool pfn_valid = false;
>
> trace_kvm_access_fault(fault_ipa);
> diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
> index 61505676d085..385fc8cef82d 100644
> --- a/arch/arm64/include/asm/kvm_mmu.h
> +++ b/arch/arm64/include/asm/kvm_mmu.h
> @@ -230,7 +230,8 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
> return (vcpu_sys_reg(vcpu, SCTLR_EL1) & 0b101) == 0b101;
> }
>
> -static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
> +static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
> + kvm_pfn_t pfn,
> unsigned long size,
> bool ipa_uncached)
> {
> diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
> index 5a1a882e0a75..9c67f05a0a1b 100644
> --- a/arch/mips/include/asm/kvm_host.h
> +++ b/arch/mips/include/asm/kvm_host.h
> @@ -101,9 +101,9 @@
> #define CAUSEF_DC (_ULCAST_(1) << 27)
>
> extern atomic_t kvm_mips_instance;
> -extern pfn_t(*kvm_mips_gfn_to_pfn) (struct kvm *kvm, gfn_t gfn);
> -extern void (*kvm_mips_release_pfn_clean) (pfn_t pfn);
> -extern bool(*kvm_mips_is_error_pfn) (pfn_t pfn);
> +extern kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
> +extern void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn);
> +extern bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn);
>
> struct kvm_vm_stat {
> u32 remote_tlb_flush;
> diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
> index d5fa3eaf39a1..476296cf37d3 100644
> --- a/arch/mips/kvm/emulate.c
> +++ b/arch/mips/kvm/emulate.c
> @@ -1525,7 +1525,7 @@ int kvm_mips_sync_icache(unsigned long va, struct kvm_vcpu *vcpu)
> struct kvm *kvm = vcpu->kvm;
> unsigned long pa;
> gfn_t gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> gfn = va >> PAGE_SHIFT;
>
> diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
> index aed0ac2a4972..570479c03bdc 100644
> --- a/arch/mips/kvm/tlb.c
> +++ b/arch/mips/kvm/tlb.c
> @@ -38,13 +38,13 @@ atomic_t kvm_mips_instance;
> EXPORT_SYMBOL(kvm_mips_instance);
>
> /* These function pointers are initialized once the KVM module is loaded */
> -pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
> +kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
> EXPORT_SYMBOL(kvm_mips_gfn_to_pfn);
>
> -void (*kvm_mips_release_pfn_clean)(pfn_t pfn);
> +void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn);
> EXPORT_SYMBOL(kvm_mips_release_pfn_clean);
>
> -bool (*kvm_mips_is_error_pfn)(pfn_t pfn);
> +bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn);
> EXPORT_SYMBOL(kvm_mips_is_error_pfn);
>
> uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
> @@ -144,7 +144,7 @@ EXPORT_SYMBOL(kvm_mips_dump_guest_tlbs);
> static int kvm_mips_map_page(struct kvm *kvm, gfn_t gfn)
> {
> int srcu_idx, err = 0;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> if (kvm->arch.guest_pmap[gfn] != KVM_INVALID_PAGE)
> return 0;
> @@ -262,7 +262,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr,
> struct kvm_vcpu *vcpu)
> {
> gfn_t gfn;
> - pfn_t pfn0, pfn1;
> + kvm_pfn_t pfn0, pfn1;
> unsigned long vaddr = 0;
> unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
> int even;
> @@ -313,7 +313,7 @@ EXPORT_SYMBOL(kvm_mips_handle_kseg0_tlb_fault);
> int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr,
> struct kvm_vcpu *vcpu)
> {
> - pfn_t pfn0, pfn1;
> + kvm_pfn_t pfn0, pfn1;
> unsigned long flags, old_entryhi = 0, vaddr = 0;
> unsigned long entrylo0 = 0, entrylo1 = 0;
>
> @@ -360,7 +360,7 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
> {
> unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
> struct kvm *kvm = vcpu->kvm;
> - pfn_t pfn0, pfn1;
> + kvm_pfn_t pfn0, pfn1;
>
> if ((tlb->tlb_hi & VPN2_MASK) == 0) {
> pfn0 = 0;
> diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
> index 9fac01cb89c1..8f39796c9da8 100644
> --- a/arch/powerpc/include/asm/kvm_book3s.h
> +++ b/arch/powerpc/include/asm/kvm_book3s.h
> @@ -154,8 +154,8 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
> bool upper, u32 val);
> extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
> extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
> -extern pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
> - bool *writable);
> +extern kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa,
> + bool writing, bool *writable);
> extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev,
> unsigned long *rmap, long pte_index, int realmode);
> extern void kvmppc_update_rmap_change(unsigned long *rmap, unsigned long psize);
> diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
> index c6ef05bd0765..2241d5357129 100644
> --- a/arch/powerpc/include/asm/kvm_ppc.h
> +++ b/arch/powerpc/include/asm/kvm_ppc.h
> @@ -515,7 +515,7 @@ void kvmppc_claim_lpid(long lpid);
> void kvmppc_free_lpid(long lpid);
> void kvmppc_init_lpid(unsigned long nr_lpids);
>
> -static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
> +static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn)
> {
> struct page *page;
> /*
> diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
> index 099c79d8c160..638c6d9be9e0 100644
> --- a/arch/powerpc/kvm/book3s.c
> +++ b/arch/powerpc/kvm/book3s.c
> @@ -366,7 +366,7 @@ int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
> }
> EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);
>
> -pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
> +kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
> bool *writable)
> {
> ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
> @@ -379,9 +379,9 @@ pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
> gpa &= ~0xFFFULL;
> if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
> ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> - pfn = (pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
> + pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
> get_page(pfn_to_page(pfn));
> if (writable)
> *writable = true;
> diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c
> index d5c9bfeb0c9c..55c4d51ea3e2 100644
> --- a/arch/powerpc/kvm/book3s_32_mmu_host.c
> +++ b/arch/powerpc/kvm/book3s_32_mmu_host.c
> @@ -142,7 +142,7 @@ extern char etext[];
> int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
> bool iswrite)
> {
> - pfn_t hpaddr;
> + kvm_pfn_t hpaddr;
> u64 vpn;
> u64 vsid;
> struct kvmppc_sid_map *map;
> diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
> index 79ad35abd196..913cd2198fa6 100644
> --- a/arch/powerpc/kvm/book3s_64_mmu_host.c
> +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
> @@ -83,7 +83,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
> bool iswrite)
> {
> unsigned long vpn;
> - pfn_t hpaddr;
> + kvm_pfn_t hpaddr;
> ulong hash, hpteg;
> u64 vsid;
> int ret;
> diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
> index 72920bed3ac6..94f04fcb373e 100644
> --- a/arch/powerpc/kvm/e500.h
> +++ b/arch/powerpc/kvm/e500.h
> @@ -41,7 +41,7 @@ enum vcpu_ftr {
> #define E500_TLB_MAS2_ATTR (0x7f)
>
> struct tlbe_ref {
> - pfn_t pfn; /* valid only for TLB0, except briefly */
> + kvm_pfn_t pfn; /* valid only for TLB0, except briefly */
> unsigned int flags; /* E500_TLB_* */
> };
>
> diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
> index 4d33e199edcc..8a5bb6dfcc2d 100644
> --- a/arch/powerpc/kvm/e500_mmu_host.c
> +++ b/arch/powerpc/kvm/e500_mmu_host.c
> @@ -163,9 +163,9 @@ void kvmppc_map_magic(struct kvm_vcpu *vcpu)
> struct kvm_book3e_206_tlb_entry magic;
> ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
> unsigned int stid;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> - pfn = (pfn_t)virt_to_phys((void *)shared_page) >> PAGE_SHIFT;
> + pfn = (kvm_pfn_t)virt_to_phys((void *)shared_page) >> PAGE_SHIFT;
> get_page(pfn_to_page(pfn));
>
> preempt_disable();
> @@ -246,7 +246,7 @@ static inline int tlbe_is_writable(struct kvm_book3e_206_tlb_entry *tlbe)
>
> static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
> struct kvm_book3e_206_tlb_entry *gtlbe,
> - pfn_t pfn, unsigned int wimg)
> + kvm_pfn_t pfn, unsigned int wimg)
> {
> ref->pfn = pfn;
> ref->flags = E500_TLB_VALID;
> @@ -309,7 +309,7 @@ static void kvmppc_e500_setup_stlbe(
> int tsize, struct tlbe_ref *ref, u64 gvaddr,
> struct kvm_book3e_206_tlb_entry *stlbe)
> {
> - pfn_t pfn = ref->pfn;
> + kvm_pfn_t pfn = ref->pfn;
> u32 pr = vcpu->arch.shared->msr & MSR_PR;
>
> BUG_ON(!(ref->flags & E500_TLB_VALID));
> diff --git a/arch/powerpc/kvm/trace_pr.h b/arch/powerpc/kvm/trace_pr.h
> index 810507cb688a..d44f324184fb 100644
> --- a/arch/powerpc/kvm/trace_pr.h
> +++ b/arch/powerpc/kvm/trace_pr.h
> @@ -30,7 +30,7 @@ TRACE_EVENT(kvm_book3s_reenter,
> #ifdef CONFIG_PPC_BOOK3S_64
>
> TRACE_EVENT(kvm_book3s_64_mmu_map,
> - TP_PROTO(int rflags, ulong hpteg, ulong va, pfn_t hpaddr,
> + TP_PROTO(int rflags, ulong hpteg, ulong va, kvm_pfn_t hpaddr,
> struct kvmppc_pte *orig_pte),
> TP_ARGS(rflags, hpteg, va, hpaddr, orig_pte),
>
> diff --git a/arch/x86/kvm/iommu.c b/arch/x86/kvm/iommu.c
> index 5c520ebf6343..a22a488b4622 100644
> --- a/arch/x86/kvm/iommu.c
> +++ b/arch/x86/kvm/iommu.c
> @@ -43,11 +43,11 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm);
> static void kvm_iommu_put_pages(struct kvm *kvm,
> gfn_t base_gfn, unsigned long npages);
>
> -static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
> +static kvm_pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
> unsigned long npages)
> {
> gfn_t end_gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> pfn = gfn_to_pfn_memslot(slot, gfn);
> end_gfn = gfn + npages;
> @@ -62,7 +62,8 @@ static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
> return pfn;
> }
>
> -static void kvm_unpin_pages(struct kvm *kvm, pfn_t pfn, unsigned long npages)
> +static void kvm_unpin_pages(struct kvm *kvm, kvm_pfn_t pfn,
> + unsigned long npages)
> {
> unsigned long i;
>
> @@ -73,7 +74,7 @@ static void kvm_unpin_pages(struct kvm *kvm, pfn_t pfn, unsigned long npages)
> int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
> {
> gfn_t gfn, end_gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> int r = 0;
> struct iommu_domain *domain = kvm->arch.iommu_domain;
> int flags;
> @@ -275,7 +276,7 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
> {
> struct iommu_domain *domain;
> gfn_t end_gfn, gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> u64 phys;
>
> domain = kvm->arch.iommu_domain;
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index ff606f507913..6ab963ae0427 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -259,7 +259,7 @@ static unsigned get_mmio_spte_access(u64 spte)
> }
>
> static bool set_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, gfn_t gfn,
> - pfn_t pfn, unsigned access)
> + kvm_pfn_t pfn, unsigned access)
> {
> if (unlikely(is_noslot_pfn(pfn))) {
> mark_mmio_spte(vcpu, sptep, gfn, access);
> @@ -325,7 +325,7 @@ static int is_last_spte(u64 pte, int level)
> return 0;
> }
>
> -static pfn_t spte_to_pfn(u64 pte)
> +static kvm_pfn_t spte_to_pfn(u64 pte)
> {
> return (pte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;
> }
> @@ -587,7 +587,7 @@ static bool mmu_spte_update(u64 *sptep, u64 new_spte)
> */
> static int mmu_spte_clear_track_bits(u64 *sptep)
> {
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> u64 old_spte = *sptep;
>
> if (!spte_has_volatile_bits(old_spte))
> @@ -1369,7 +1369,7 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
> int need_flush = 0;
> u64 new_spte;
> pte_t *ptep = (pte_t *)data;
> - pfn_t new_pfn;
> + kvm_pfn_t new_pfn;
>
> WARN_ON(pte_huge(*ptep));
> new_pfn = pte_pfn(*ptep);
> @@ -2456,7 +2456,7 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn,
> return 0;
> }
>
> -static bool kvm_is_mmio_pfn(pfn_t pfn)
> +static bool kvm_is_mmio_pfn(kvm_pfn_t pfn)
> {
> if (pfn_valid(pfn))
> return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn));
> @@ -2466,7 +2466,7 @@ static bool kvm_is_mmio_pfn(pfn_t pfn)
>
> static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
> unsigned pte_access, int level,
> - gfn_t gfn, pfn_t pfn, bool speculative,
> + gfn_t gfn, kvm_pfn_t pfn, bool speculative,
> bool can_unsync, bool host_writable)
> {
> u64 spte;
> @@ -2546,7 +2546,7 @@ done:
>
> static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
> unsigned pte_access, int write_fault, int *emulate,
> - int level, gfn_t gfn, pfn_t pfn, bool speculative,
> + int level, gfn_t gfn, kvm_pfn_t pfn, bool speculative,
> bool host_writable)
> {
> int was_rmapped = 0;
> @@ -2606,7 +2606,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
> kvm_release_pfn_clean(pfn);
> }
>
> -static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
> +static kvm_pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
> bool no_dirty_log)
> {
> struct kvm_memory_slot *slot;
> @@ -2689,7 +2689,7 @@ static void direct_pte_prefetch(struct kvm_vcpu *vcpu, u64 *sptep)
> }
>
> static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
> - int map_writable, int level, gfn_t gfn, pfn_t pfn,
> + int map_writable, int level, gfn_t gfn, kvm_pfn_t pfn,
> bool prefault)
> {
> struct kvm_shadow_walk_iterator iterator;
> @@ -2739,7 +2739,7 @@ static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *
> send_sig_info(SIGBUS, &info, tsk);
> }
>
> -static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
> +static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, kvm_pfn_t pfn)
> {
> /*
> * Do not cache the mmio info caused by writing the readonly gfn
> @@ -2759,9 +2759,10 @@ static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
> }
>
> static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu,
> - gfn_t *gfnp, pfn_t *pfnp, int *levelp)
> + gfn_t *gfnp, kvm_pfn_t *pfnp,
> + int *levelp)
> {
> - pfn_t pfn = *pfnp;
> + kvm_pfn_t pfn = *pfnp;
> gfn_t gfn = *gfnp;
> int level = *levelp;
>
> @@ -2800,7 +2801,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu,
> }
>
> static bool handle_abnormal_pfn(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
> - pfn_t pfn, unsigned access, int *ret_val)
> + kvm_pfn_t pfn, unsigned access, int *ret_val)
> {
> bool ret = true;
>
> @@ -2954,7 +2955,7 @@ exit:
> }
>
> static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
> - gva_t gva, pfn_t *pfn, bool write, bool *writable);
> + gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable);
> static void make_mmu_pages_available(struct kvm_vcpu *vcpu);
>
> static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code,
> @@ -2963,7 +2964,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code,
> int r;
> int level;
> int force_pt_level;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> unsigned long mmu_seq;
> bool map_writable, write = error_code & PFERR_WRITE_MASK;
>
> @@ -3435,7 +3436,7 @@ static bool can_do_async_pf(struct kvm_vcpu *vcpu)
> }
>
> static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
> - gva_t gva, pfn_t *pfn, bool write, bool *writable)
> + gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable)
> {
> struct kvm_memory_slot *slot;
> bool async;
> @@ -3473,7 +3474,7 @@ check_hugepage_cache_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, int level)
> static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code,
> bool prefault)
> {
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> int r;
> int level;
> int force_pt_level;
> @@ -4627,7 +4628,7 @@ static bool kvm_mmu_zap_collapsible_spte(struct kvm *kvm,
> u64 *sptep;
> struct rmap_iterator iter;
> int need_tlb_flush = 0;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> struct kvm_mmu_page *sp;
>
> restart:
> diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
> index 03d518e499a6..37a4d14115c0 100644
> --- a/arch/x86/kvm/mmu_audit.c
> +++ b/arch/x86/kvm/mmu_audit.c
> @@ -97,7 +97,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
> {
> struct kvm_mmu_page *sp;
> gfn_t gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> hpa_t hpa;
>
> sp = page_header(__pa(sptep));
> diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
> index 736e6ab8784d..9dd02cb74724 100644
> --- a/arch/x86/kvm/paging_tmpl.h
> +++ b/arch/x86/kvm/paging_tmpl.h
> @@ -456,7 +456,7 @@ FNAME(prefetch_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
> {
> unsigned pte_access;
> gfn_t gfn;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> if (FNAME(prefetch_invalid_gpte)(vcpu, sp, spte, gpte))
> return false;
> @@ -551,7 +551,7 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw,
> static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
> struct guest_walker *gw,
> int write_fault, int hlevel,
> - pfn_t pfn, bool map_writable, bool prefault)
> + kvm_pfn_t pfn, bool map_writable, bool prefault)
> {
> struct kvm_mmu_page *sp = NULL;
> struct kvm_shadow_walk_iterator it;
> @@ -696,7 +696,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code,
> int user_fault = error_code & PFERR_USER_MASK;
> struct guest_walker walker;
> int r;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
> int level = PT_PAGE_TABLE_LEVEL;
> int force_pt_level;
> unsigned long mmu_seq;
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index 06ef4908ba61..d401ed6874bd 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -4046,7 +4046,7 @@ out:
> static int init_rmode_identity_map(struct kvm *kvm)
> {
> int i, idx, r = 0;
> - pfn_t identity_map_pfn;
> + kvm_pfn_t identity_map_pfn;
> u32 tmp;
>
> if (!enable_ept)
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 92511d4b7236..8fc5ca584edf 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4935,7 +4935,7 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2,
> int emulation_type)
> {
> gpa_t gpa = cr2;
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> if (emulation_type & EMULTYPE_NO_REEXECUTE)
> return false;
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 1bef9e21e725..2420b43f3acc 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -65,7 +65,7 @@
> * error pfns indicate that the gfn is in slot but faild to
> * translate it to pfn on host.
> */
> -static inline bool is_error_pfn(pfn_t pfn)
> +static inline bool is_error_pfn(kvm_pfn_t pfn)
> {
> return !!(pfn & KVM_PFN_ERR_MASK);
> }
> @@ -75,13 +75,13 @@ static inline bool is_error_pfn(pfn_t pfn)
> * translated to pfn - it is not in slot or failed to
> * translate it to pfn.
> */
> -static inline bool is_error_noslot_pfn(pfn_t pfn)
> +static inline bool is_error_noslot_pfn(kvm_pfn_t pfn)
> {
> return !!(pfn & KVM_PFN_ERR_NOSLOT_MASK);
> }
>
> /* noslot pfn indicates that the gfn is not in slot. */
> -static inline bool is_noslot_pfn(pfn_t pfn)
> +static inline bool is_noslot_pfn(kvm_pfn_t pfn)
> {
> return pfn == KVM_PFN_NOSLOT;
> }
> @@ -569,19 +569,20 @@ void kvm_release_page_clean(struct page *page);
> void kvm_release_page_dirty(struct page *page);
> void kvm_set_page_accessed(struct page *page);
>
> -pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
> -pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
> -pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
> +kvm_pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
> +kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
> +kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
> bool *writable);
> -pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
> -pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn);
> -pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic,
> - bool *async, bool write_fault, bool *writable);
> +kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
> +kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn);
> +kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn,
> + bool atomic, bool *async, bool write_fault,
> + bool *writable);
>
> -void kvm_release_pfn_clean(pfn_t pfn);
> -void kvm_set_pfn_dirty(pfn_t pfn);
> -void kvm_set_pfn_accessed(pfn_t pfn);
> -void kvm_get_pfn(pfn_t pfn);
> +void kvm_release_pfn_clean(kvm_pfn_t pfn);
> +void kvm_set_pfn_dirty(kvm_pfn_t pfn);
> +void kvm_set_pfn_accessed(kvm_pfn_t pfn);
> +void kvm_get_pfn(kvm_pfn_t pfn);
>
> int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
> int len);
> @@ -607,8 +608,8 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
>
> struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu);
> struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn);
> -pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
> -pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
> +kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
> +kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
> struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn);
> unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn);
> unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable);
> @@ -789,7 +790,7 @@ void kvm_arch_sync_events(struct kvm *kvm);
> int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
> void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
>
> -bool kvm_is_reserved_pfn(pfn_t pfn);
> +bool kvm_is_reserved_pfn(kvm_pfn_t pfn);
>
> struct kvm_irq_ack_notifier {
> struct hlist_node link;
> @@ -940,7 +941,7 @@ static inline gfn_t gpa_to_gfn(gpa_t gpa)
> return (gfn_t)(gpa >> PAGE_SHIFT);
> }
>
> -static inline hpa_t pfn_to_hpa(pfn_t pfn)
> +static inline hpa_t pfn_to_hpa(kvm_pfn_t pfn)
> {
> return (hpa_t)pfn << PAGE_SHIFT;
> }
> diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
> index 1b47a185c2f0..8bf259dae9f6 100644
> --- a/include/linux/kvm_types.h
> +++ b/include/linux/kvm_types.h
> @@ -53,7 +53,7 @@ typedef unsigned long hva_t;
> typedef u64 hpa_t;
> typedef u64 hfn_t;
>
> -typedef hfn_t pfn_t;
> +typedef hfn_t kvm_pfn_t;
>
> struct gfn_to_hva_cache {
> u64 generation;
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 8db1d9361993..02cd2eddd3ff 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -111,7 +111,7 @@ static void hardware_disable_all(void);
>
> static void kvm_io_bus_destroy(struct kvm_io_bus *bus);
>
> -static void kvm_release_pfn_dirty(pfn_t pfn);
> +static void kvm_release_pfn_dirty(kvm_pfn_t pfn);
> static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn);
>
> __visible bool kvm_rebooting;
> @@ -119,7 +119,7 @@ EXPORT_SYMBOL_GPL(kvm_rebooting);
>
> static bool largepages_enabled = true;
>
> -bool kvm_is_reserved_pfn(pfn_t pfn)
> +bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
> {
> if (pfn_valid(pfn))
> return PageReserved(pfn_to_page(pfn));
> @@ -1296,7 +1296,7 @@ static inline int check_user_page_hwpoison(unsigned long addr)
> * true indicates success, otherwise false is returned.
> */
> static bool hva_to_pfn_fast(unsigned long addr, bool atomic, bool *async,
> - bool write_fault, bool *writable, pfn_t *pfn)
> + bool write_fault, bool *writable, kvm_pfn_t *pfn)
> {
> struct page *page[1];
> int npages;
> @@ -1329,7 +1329,7 @@ static bool hva_to_pfn_fast(unsigned long addr, bool atomic, bool *async,
> * 1 indicates success, -errno is returned if error is detected.
> */
> static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault,
> - bool *writable, pfn_t *pfn)
> + bool *writable, kvm_pfn_t *pfn)
> {
> struct page *page[1];
> int npages = 0;
> @@ -1393,11 +1393,11 @@ static bool vma_is_valid(struct vm_area_struct *vma, bool write_fault)
> * 2): @write_fault = false && @writable, @writable will tell the caller
> * whether the mapping is writable.
> */
> -static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
> +static kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
> bool write_fault, bool *writable)
> {
> struct vm_area_struct *vma;
> - pfn_t pfn = 0;
> + kvm_pfn_t pfn = 0;
> int npages;
>
> /* we can do it either atomically or asynchronously, not both */
> @@ -1438,8 +1438,9 @@ exit:
> return pfn;
> }
>
> -pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic,
> - bool *async, bool write_fault, bool *writable)
> +kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn,
> + bool atomic, bool *async, bool write_fault,
> + bool *writable)
> {
> unsigned long addr = __gfn_to_hva_many(slot, gfn, NULL, write_fault);
>
> @@ -1460,7 +1461,7 @@ pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic,
> }
> EXPORT_SYMBOL_GPL(__gfn_to_pfn_memslot);
>
> -pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
> +kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
> bool *writable)
> {
> return __gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn, false, NULL,
> @@ -1468,37 +1469,37 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
> }
> EXPORT_SYMBOL_GPL(gfn_to_pfn_prot);
>
> -pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
> +kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
> {
> return __gfn_to_pfn_memslot(slot, gfn, false, NULL, true, NULL);
> }
> EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot);
>
> -pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn)
> +kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn)
> {
> return __gfn_to_pfn_memslot(slot, gfn, true, NULL, true, NULL);
> }
> EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot_atomic);
>
> -pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
> +kvm_pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
> {
> return gfn_to_pfn_memslot_atomic(gfn_to_memslot(kvm, gfn), gfn);
> }
> EXPORT_SYMBOL_GPL(gfn_to_pfn_atomic);
>
> -pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn)
> +kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn)
> {
> return gfn_to_pfn_memslot_atomic(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn);
> }
> EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_pfn_atomic);
>
> -pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
> +kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
> {
> return gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn);
> }
> EXPORT_SYMBOL_GPL(gfn_to_pfn);
>
> -pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
> +kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
> {
> return gfn_to_pfn_memslot(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn);
> }
> @@ -1521,7 +1522,7 @@ int gfn_to_page_many_atomic(struct kvm_memory_slot *slot, gfn_t gfn,
> }
> EXPORT_SYMBOL_GPL(gfn_to_page_many_atomic);
>
> -static struct page *kvm_pfn_to_page(pfn_t pfn)
> +static struct page *kvm_pfn_to_page(kvm_pfn_t pfn)
> {
> if (is_error_noslot_pfn(pfn))
> return KVM_ERR_PTR_BAD_PAGE;
> @@ -1536,7 +1537,7 @@ static struct page *kvm_pfn_to_page(pfn_t pfn)
>
> struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
> {
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> pfn = gfn_to_pfn(kvm, gfn);
>
> @@ -1546,7 +1547,7 @@ EXPORT_SYMBOL_GPL(gfn_to_page);
>
> struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn)
> {
> - pfn_t pfn;
> + kvm_pfn_t pfn;
>
> pfn = kvm_vcpu_gfn_to_pfn(vcpu, gfn);
>
> @@ -1562,7 +1563,7 @@ void kvm_release_page_clean(struct page *page)
> }
> EXPORT_SYMBOL_GPL(kvm_release_page_clean);
>
> -void kvm_release_pfn_clean(pfn_t pfn)
> +void kvm_release_pfn_clean(kvm_pfn_t pfn)
> {
> if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))
> put_page(pfn_to_page(pfn));
> @@ -1577,13 +1578,13 @@ void kvm_release_page_dirty(struct page *page)
> }
> EXPORT_SYMBOL_GPL(kvm_release_page_dirty);
>
> -static void kvm_release_pfn_dirty(pfn_t pfn)
> +static void kvm_release_pfn_dirty(kvm_pfn_t pfn)
> {
> kvm_set_pfn_dirty(pfn);
> kvm_release_pfn_clean(pfn);
> }
>
> -void kvm_set_pfn_dirty(pfn_t pfn)
> +void kvm_set_pfn_dirty(kvm_pfn_t pfn)
> {
> if (!kvm_is_reserved_pfn(pfn)) {
> struct page *page = pfn_to_page(pfn);
> @@ -1594,14 +1595,14 @@ void kvm_set_pfn_dirty(pfn_t pfn)
> }
> EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
>
> -void kvm_set_pfn_accessed(pfn_t pfn)
> +void kvm_set_pfn_accessed(kvm_pfn_t pfn)
> {
> if (!kvm_is_reserved_pfn(pfn))
> mark_page_accessed(pfn_to_page(pfn));
> }
> EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
>
> -void kvm_get_pfn(pfn_t pfn)
> +void kvm_get_pfn(kvm_pfn_t pfn)
> {
> if (!kvm_is_reserved_pfn(pfn))
> get_page(pfn_to_page(pfn));
>
> --
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> see: http://www.linux-mm.org/ .
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>
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