diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a6059bdf7b03baa4955c069637f686b3d709d819..e4d8f705fecd0ae2657a66d6524fd4463fb38f1f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -43,6 +43,7 @@
  * include/linux/kvm_h.
  */
 #define KVM_MEMSLOT_INVALID	(1UL << 16)
+#define KVM_MEMSLOT_INCOHERENT	(1UL << 17)
 
 /* Two fragments for cross MMIO pages. */
 #define KVM_MAX_MMIO_FRAGMENTS	2