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-rw-r--r--arch/x86/kvm/mmu/mmu.c5
-rw-r--r--include/linux/kvm_host.h2
-rw-r--r--virt/kvm/kvm_main.c8
3 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 2dcedf04ef85..b209aaf096df 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2788,15 +2788,16 @@ static void direct_pte_prefetch(struct kvm_vcpu *vcpu, u64 *sptep)
static int host_pfn_mapping_level(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn,
const struct kvm_memory_slot *slot)
{
+ struct page *page = pfn_to_page(pfn);
+ int level = PG_LEVEL_4K;
unsigned long hva;
unsigned long flags;
- int level = PG_LEVEL_4K;
pgd_t pgd;
p4d_t p4d;
pud_t pud;
pmd_t pmd;
- if (!PageCompound(pfn_to_page(pfn)) && !kvm_is_zone_device_pfn(pfn))
+ if (!PageCompound(page) && !kvm_is_zone_device_page(page))
return PG_LEVEL_4K;
/*
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4334789409c0..6fb433ac2ba1 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1571,7 +1571,7 @@ void kvm_arch_sync_events(struct kvm *kvm);
int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
bool kvm_is_reserved_pfn(kvm_pfn_t pfn);
-bool kvm_is_zone_device_pfn(kvm_pfn_t pfn);
+bool kvm_is_zone_device_page(struct page *page);
struct kvm_irq_ack_notifier {
struct hlist_node link;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 7cd0e3d67f9f..aa1bcd5f140d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -168,7 +168,7 @@ __weak void kvm_arch_guest_memory_reclaimed(struct kvm *kvm)
{
}
-bool kvm_is_zone_device_pfn(kvm_pfn_t pfn)
+bool kvm_is_zone_device_page(struct page *page)
{
/*
* The metadata used by is_zone_device_page() to determine whether or
@@ -176,10 +176,10 @@ bool kvm_is_zone_device_pfn(kvm_pfn_t pfn)
* the device has been pinned, e.g. by get_user_pages(). WARN if the
* page_count() is zero to help detect bad usage of this helper.
*/
- if (!pfn_valid(pfn) || WARN_ON_ONCE(!page_count(pfn_to_page(pfn))))
+ if (WARN_ON_ONCE(!page_count(page)))
return false;
- return is_zone_device_page(pfn_to_page(pfn));
+ return is_zone_device_page(page);
}
bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
@@ -192,7 +192,7 @@ bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
if (pfn_valid(pfn))
return PageReserved(pfn_to_page(pfn)) &&
!is_zero_pfn(pfn) &&
- !kvm_is_zone_device_pfn(pfn);
+ !kvm_is_zone_device_page(pfn_to_page(pfn));
return true;
}