KVM: MMU: cleanup mapping-level
Use min() to cleanup mapping_level
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2a8d99a..5356d8d 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -832,8 +832,7 @@
if (host_level == PT_PAGE_TABLE_LEVEL)
return host_level;
- max_level = kvm_x86_ops->get_lpage_level() < host_level ?
- kvm_x86_ops->get_lpage_level() : host_level;
+ max_level = min(kvm_x86_ops->get_lpage_level(), host_level);
for (level = PT_DIRECTORY_LEVEL; level <= max_level; ++level)
if (has_wrprotected_page(vcpu->kvm, large_gfn, level))