1 files changed, 15 insertions, 15 deletions
diff --git a/include/migration/register.h b/include/migration/register.h
index b91a0cdbf8..a8dfd8fefd 100644
--- a/include/migration/register.h
+++ b/include/migration/register.h
@@ -47,25 +47,25 @@ typedef struct SaveVMHandlers {
     /* This runs outside the iothread lock!  */
     int (*save_setup)(QEMUFile *f, void *opaque);
     /* Note for save_live_pending:
-     * - res_precopy_only is for data which must be migrated in precopy phase
-     *     or in stopped state, in other words - before target vm start
-     * - res_compatible is for data which may be migrated in any phase
-     * - res_postcopy_only is for data which must be migrated in postcopy phase
-     *     or in stopped state, in other words - after source vm stop
+     * must_precopy:
+     * - must be migrated in precopy or in stopped state
+     * - i.e. must be migrated before target start
      *
-     * Sum of res_postcopy_only, res_compatible and res_postcopy_only is the
-     * whole amount of pending data.
+     * can_postcopy:
+     * - can migrate in postcopy or in stopped state
+     * - i.e. can migrate after target start
+     * - some can also be migrated during precopy (RAM)
+     * - some must be migrated after source stops (block-dirty-bitmap)
+     *
+     * Sum of can_postcopy and must_postcopy is the whole amount of
+     * pending data.
      */
     /* This estimates the remaining data to transfer */
-    void (*state_pending_estimate)(void *opaque,
-                                   uint64_t *res_precopy_only,
-                                   uint64_t *res_compatible,
-                                   uint64_t *res_postcopy_only);
+    void (*state_pending_estimate)(void *opaque, uint64_t *must_precopy,
+                                   uint64_t *can_postcopy);
     /* This calculate the exact remaining data to transfer */
-    void (*state_pending_exact)(void *opaque,
-                                uint64_t *res_precopy_only,
-                                uint64_t *res_compatible,
-                                uint64_t *res_postcopy_only);
+    void (*state_pending_exact)(void *opaque, uint64_t *must_precopy,
+                                uint64_t *can_postcopy);
     LoadStateHandler *load_state;
     int (*load_setup)(QEMUFile *f, void *opaque);
     int (*load_cleanup)(void *opaque);