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KVM: MMU: cleanup mapping-level

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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>
This commit is contained in:
Xiao Guangrong 2013-02-05 15:26:54 +08:00 committed by Marcelo Tosatti
parent caf6900f2d
commit 55dd98c3a8
1 changed files with 1 additions and 2 deletions
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3
arch/x86/kvm/mmu.c
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@ -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))