105 static void kvm_release_pfn_dirty(pfn_t pfn);
114 bool kvm_is_reserved_pfn(pfn_t pfn)  in kvm_is_reserved_pfn()  argument
116 	if (pfn_valid(pfn))  in kvm_is_reserved_pfn()
117 		return PageReserved(pfn_to_page(pfn));  in kvm_is_reserved_pfn()
1217 			    bool write_fault, bool *writable, pfn_t *pfn)  in hva_to_pfn_fast()  argument
1235 		*pfn = page_to_pfn(page[0]);  in hva_to_pfn_fast()
1250 			   bool *writable, pfn_t *pfn)  in hva_to_pfn_slow()  argument
1285 	*pfn = page_to_pfn(page[0]);  in hva_to_pfn_slow()
1318 	pfn_t pfn = 0;  in hva_to_pfn()  local
1324 	if (hva_to_pfn_fast(addr, atomic, async, write_fault, writable, &pfn))  in hva_to_pfn()
1325 		return pfn;  in hva_to_pfn()
1330 	npages = hva_to_pfn_slow(addr, async, write_fault, writable, &pfn);  in hva_to_pfn()
1332 		return pfn;  in hva_to_pfn()
1337 		pfn = KVM_PFN_ERR_HWPOISON;  in hva_to_pfn()
1344 		pfn = KVM_PFN_ERR_FAULT;  in hva_to_pfn()
1346 		pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) +  in hva_to_pfn()
1348 		BUG_ON(!kvm_is_reserved_pfn(pfn));  in hva_to_pfn()
1352 		pfn = KVM_PFN_ERR_FAULT;  in hva_to_pfn()
1356 	return pfn;  in hva_to_pfn()
1449 static struct page *kvm_pfn_to_page(pfn_t pfn)  in kvm_pfn_to_page()  argument
1451 	if (is_error_noslot_pfn(pfn))  in kvm_pfn_to_page()
1454 	if (kvm_is_reserved_pfn(pfn)) {  in kvm_pfn_to_page()
1459 	return pfn_to_page(pfn);  in kvm_pfn_to_page()
1464 	pfn_t pfn;  in gfn_to_page()  local
1466 	pfn = gfn_to_pfn(kvm, gfn);  in gfn_to_page()
1468 	return kvm_pfn_to_page(pfn);  in gfn_to_page()
1480 void kvm_release_pfn_clean(pfn_t pfn)  in kvm_release_pfn_clean()  argument
1482 	if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))  in kvm_release_pfn_clean()
1483 		put_page(pfn_to_page(pfn));  in kvm_release_pfn_clean()
1495 static void kvm_release_pfn_dirty(pfn_t pfn)  in kvm_release_pfn_dirty()  argument
1497 	kvm_set_pfn_dirty(pfn);  in kvm_release_pfn_dirty()
1498 	kvm_release_pfn_clean(pfn);  in kvm_release_pfn_dirty()
1501 void kvm_set_pfn_dirty(pfn_t pfn)  in kvm_set_pfn_dirty()  argument
1503 	if (!kvm_is_reserved_pfn(pfn)) {  in kvm_set_pfn_dirty()
1504 		struct page *page = pfn_to_page(pfn);  in kvm_set_pfn_dirty()
1512 void kvm_set_pfn_accessed(pfn_t pfn)  in kvm_set_pfn_accessed()  argument
1514 	if (!kvm_is_reserved_pfn(pfn))  in kvm_set_pfn_accessed()
1515 		mark_page_accessed(pfn_to_page(pfn));  in kvm_set_pfn_accessed()
1519 void kvm_get_pfn(pfn_t pfn)  in kvm_get_pfn()  argument
1521 	if (!kvm_is_reserved_pfn(pfn))  in kvm_get_pfn()
1522 		get_page(pfn_to_page(pfn));  in kvm_get_pfn()