KVM: introduce KVM_MEM_SLOTS_NUM macro

Introduce KVM_MEM_SLOTS_NUM macro to instead of
KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 7c654aa46b6c..924df0d7ac5f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -227,11 +227,14 @@ struct kvm_irq_routing_table {};
 
 #endif
 
+#ifndef KVM_MEM_SLOTS_NUM
+#define KVM_MEM_SLOTS_NUM (KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
+#endif
+
 struct kvm_memslots {
         int nmemslots;
         u64 generation;
-        struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
-                                        KVM_PRIVATE_MEM_SLOTS];
+        struct kvm_memory_slot memslots[KVM_MEM_SLOTS_NUM];
 };
 
 struct kvm {