114 static void kvm_release_pfn_dirty(pfn_t pfn);
122 bool kvm_is_reserved_pfn(pfn_t pfn)  in kvm_is_reserved_pfn()  argument
124 	if (pfn_valid(pfn))  in kvm_is_reserved_pfn()
125 		return PageReserved(pfn_to_page(pfn));  in kvm_is_reserved_pfn()
1303 			    bool write_fault, bool *writable, pfn_t *pfn)  in hva_to_pfn_fast()  argument
1321 		*pfn = page_to_pfn(page[0]);  in hva_to_pfn_fast()
1336 			   bool *writable, pfn_t *pfn)  in hva_to_pfn_slow()  argument
1371 	*pfn = page_to_pfn(page[0]);  in hva_to_pfn_slow()
1404 	pfn_t pfn = 0;  in hva_to_pfn()  local
1410 	if (hva_to_pfn_fast(addr, atomic, async, write_fault, writable, &pfn))  in hva_to_pfn()
1411 		return pfn;  in hva_to_pfn()
1416 	npages = hva_to_pfn_slow(addr, async, write_fault, writable, &pfn);  in hva_to_pfn()
1418 		return pfn;  in hva_to_pfn()
1423 		pfn = KVM_PFN_ERR_HWPOISON;  in hva_to_pfn()
1430 		pfn = KVM_PFN_ERR_FAULT;  in hva_to_pfn()
1432 		pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) +  in hva_to_pfn()
1434 		BUG_ON(!kvm_is_reserved_pfn(pfn));  in hva_to_pfn()
1438 		pfn = KVM_PFN_ERR_FAULT;  in hva_to_pfn()
1442 	return pfn;  in hva_to_pfn()
1528 static struct page *kvm_pfn_to_page(pfn_t pfn)  in kvm_pfn_to_page()  argument
1530 	if (is_error_noslot_pfn(pfn))  in kvm_pfn_to_page()
1533 	if (kvm_is_reserved_pfn(pfn)) {  in kvm_pfn_to_page()
1538 	return pfn_to_page(pfn);  in kvm_pfn_to_page()
1543 	pfn_t pfn;  in gfn_to_page()  local
1545 	pfn = gfn_to_pfn(kvm, gfn);  in gfn_to_page()
1547 	return kvm_pfn_to_page(pfn);  in gfn_to_page()
1553 	pfn_t pfn;  in kvm_vcpu_gfn_to_page()  local
1555 	pfn = kvm_vcpu_gfn_to_pfn(vcpu, gfn);  in kvm_vcpu_gfn_to_page()
1557 	return kvm_pfn_to_page(pfn);  in kvm_vcpu_gfn_to_page()
1569 void kvm_release_pfn_clean(pfn_t pfn)  in kvm_release_pfn_clean()  argument
1571 	if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))  in kvm_release_pfn_clean()
1572 		put_page(pfn_to_page(pfn));  in kvm_release_pfn_clean()
1584 static void kvm_release_pfn_dirty(pfn_t pfn)  in kvm_release_pfn_dirty()  argument
1586 	kvm_set_pfn_dirty(pfn);  in kvm_release_pfn_dirty()
1587 	kvm_release_pfn_clean(pfn);  in kvm_release_pfn_dirty()
1590 void kvm_set_pfn_dirty(pfn_t pfn)  in kvm_set_pfn_dirty()  argument
1592 	if (!kvm_is_reserved_pfn(pfn)) {  in kvm_set_pfn_dirty()
1593 		struct page *page = pfn_to_page(pfn);  in kvm_set_pfn_dirty()
1601 void kvm_set_pfn_accessed(pfn_t pfn)  in kvm_set_pfn_accessed()  argument
1603 	if (!kvm_is_reserved_pfn(pfn))  in kvm_set_pfn_accessed()
1604 		mark_page_accessed(pfn_to_page(pfn));  in kvm_set_pfn_accessed()
1608 void kvm_get_pfn(pfn_t pfn)  in kvm_get_pfn()  argument
1610 	if (!kvm_is_reserved_pfn(pfn))  in kvm_get_pfn()
1611 		get_page(pfn_to_page(pfn));  in kvm_get_pfn()