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-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_radix.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 1b821c6efdef..f55ef071883f 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -403,8 +403,13 @@ void kvmppc_unmap_pte(struct kvm *kvm, pte_t *pte, unsigned long gpa,
if (!memslot)
return;
}
- if (shift)
+ if (shift) { /* 1GB or 2MB page */
page_size = 1ul << shift;
+ if (shift == PMD_SHIFT)
+ kvm->stat.num_2M_pages--;
+ else if (shift == PUD_SHIFT)
+ kvm->stat.num_1G_pages--;
+ }
gpa &= ~(page_size - 1);
hpa = old & PTE_RPN_MASK;
@@ -878,6 +883,14 @@ int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu,
put_page(page);
}
+ /* Increment number of large pages if we (successfully) inserted one */
+ if (!ret) {
+ if (level == 1)
+ kvm->stat.num_2M_pages++;
+ else if (level == 2)
+ kvm->stat.num_1G_pages++;
+ }
+
return ret;
}