32 	unsigned long npages;  member
329 	unsigned long npages, size;  in sev_pin_memory()  local
344 	npages = (last - first + 1);  in sev_pin_memory()
346 	locked = sev->pages_locked + npages;  in sev_pin_memory()
353 	if (WARN_ON_ONCE(npages > INT_MAX))  in sev_pin_memory()
357 	size = npages * sizeof(struct page *);  in sev_pin_memory()
367 	npinned = pin_user_pages_fast(uaddr, npages, write ? FOLL_WRITE : 0, pages);  in sev_pin_memory()
368 	if (npinned != npages) {  in sev_pin_memory()
369 		pr_err("SEV: Failure locking %lu pages.\n", npages);  in sev_pin_memory()
374 	*n = npages;  in sev_pin_memory()
388 			     unsigned long npages)  in sev_unpin_memory()  argument
392 	unpin_user_pages(pages, npages);  in sev_unpin_memory()
394 	sev->pages_locked -= npages;  in sev_unpin_memory()
397 static void sev_clflush_pages(struct page *pages[], unsigned long npages)  in sev_clflush_pages()  argument
402 	if (this_cpu_has(X86_FEATURE_SME_COHERENT) || npages == 0 ||  in sev_clflush_pages()
406 	for (i = 0; i < npages; i++) {  in sev_clflush_pages()
414 				struct page **inpages, unsigned long npages)  in get_num_contig_pages()  argument
421 	while (i < npages) {  in get_num_contig_pages()
436 	unsigned long vaddr, vaddr_end, next_vaddr, npages, pages, size, i;  in sev_launch_update_data()  local
458 	inpages = sev_pin_memory(kvm, vaddr, size, &npages, 1);  in sev_launch_update_data()
468 	sev_clflush_pages(inpages, npages);  in sev_launch_update_data()
480 		pages = get_num_contig_pages(i, inpages, npages);  in sev_launch_update_data()
497 	for (i = 0; i < npages; i++) {  in sev_launch_update_data()
502 	sev_unpin_memory(kvm, inpages, npages);  in sev_launch_update_data()
1020 	region->pages = sev_pin_memory(kvm, range->addr, range->size, &region->npages, 1);  in svm_register_enc_region()
1039 	sev_clflush_pages(region->pages, region->npages);  in svm_register_enc_region()
1067 	sev_unpin_memory(kvm, region->pages, region->npages);  in __unregister_enc_region_locked()