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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>
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Xiao Guangrong authored and Marcelo Tosatti committed Feb 7, 2013
1 parent caf6900 commit 55dd98c
Showing 1 changed file with 1 addition and 2 deletions.
3 changes: 1 addition & 2 deletions arch/x86/kvm/mmu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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))
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