KVM: MTRR: exactly define the size of variable MTRRs

Only KVM_NR_VAR_MTRR variable MTRRs are available in KVM guest

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index cbf9f07..fe9cbe4 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -343,7 +343,7 @@ enum {
 };
 
 struct kvm_mtrr {
-       struct mtrr_var_range var_ranges[MTRR_MAX_VAR_RANGES];
+       struct mtrr_var_range var_ranges[KVM_NR_VAR_MTRR];
        mtrr_type fixed_ranges[KVM_NR_FIXED_MTRR_REGION];
        unsigned char enabled;
        mtrr_type def_type;