if (src_type == VM_MEM_SRC_ANONYMOUS_THP)
alignment = max(backing_src_pagesz, alignment);
+ ASSERT_EQ(guest_paddr, align_up(guest_paddr, backing_src_pagesz));
+
/* Add enough memory to align up if necessary */
if (alignment > 1)
region->mmap_size += alignment;
{
struct kvm_vm *vm;
uint64_t guest_num_pages;
+ uint64_t backing_src_pagesz = get_backing_src_pagesz(backing_src);
int i;
pr_info("Testing guest mode: %s\n", vm_guest_mode_string(mode));
perf_test_args.host_page_size = getpagesize();
+ /*
+ * Snapshot the non-huge page size. This is used by the guest code to
+ * access/dirty pages at the logging granularity.
+ */
perf_test_args.guest_page_size = vm_guest_mode_params[mode].page_size;
guest_num_pages = vm_adjust_num_guest_pages(mode,
guest_test_phys_mem = (vm_get_max_gfn(vm) - guest_num_pages) *
perf_test_args.guest_page_size;
- guest_test_phys_mem = align_down(guest_test_phys_mem, perf_test_args.host_page_size);
+ guest_test_phys_mem = align_down(guest_test_phys_mem, backing_src_pagesz);
#ifdef __s390x__
/* Align to 1M (segment size) */
guest_test_phys_mem = align_down(guest_test_phys_mem, 1 << 20);