diff --git a/migration/multifd.h b/migration/multifd.h
index 7496f95..7823199 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -104,14 +104,18 @@
     /* thread local variables */
     /* packets sent through this channel */
     uint64_t num_packets;
-    /* pages sent through this channel */
-    uint64_t num_pages;
+    /* non zero pages sent through this channel */
+    uint64_t total_normal_pages;
     /* syncs main thread and channels */
     QemuSemaphore sem_sync;
     /* buffers to send */
     struct iovec *iov;
     /* number of iovs used */
     uint32_t iovs_num;
+    /* Pages that are not zero */
+    ram_addr_t *normal;
+    /* num of non zero pages */
+    uint32_t normal_num;
     /* used for compression methods */
     void *data;
 }  MultiFDSendParams;