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authorXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>2013-02-05 15:26:54 +0800
committerMarcelo Tosatti <mtosatti@redhat.com>2013-02-06 22:42:08 -0200
commit55dd98c3a81e243447d5fbf496fa8b909ef3b7f6 (patch)
tree3751b699f2ab8de6cbcc51b79f3671d2a0f0e4ac /arch/x86/kvm
parentcaf6900f2d8aaebe404c976753f6813ccd31d95e (diff)
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>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/mmu.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2a8d99a1e034..5356d8d2d496 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -832,8 +832,7 @@ static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
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))