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-rw-r--r--tools/testing/selftests/kvm/kvm_page_table_test.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/kvm/kvm_page_table_test.c b/tools/testing/selftests/kvm/kvm_page_table_test.c
index ba1fdc3dcf4a..2c4a7563a4f8 100644
--- a/tools/testing/selftests/kvm/kvm_page_table_test.c
+++ b/tools/testing/selftests/kvm/kvm_page_table_test.c
@@ -278,7 +278,7 @@ static struct kvm_vm *pre_init_before_test(enum vm_guest_mode mode, void *arg)
else
guest_test_phys_mem = p->phys_offset;
#ifdef __s390x__
- alignment = max(0x100000, alignment);
+ alignment = max(0x100000UL, alignment);
#endif
guest_test_phys_mem = align_down(guest_test_phys_mem, alignment);