vhost+postcopy: Helper to send requests to source for shared pages

[qemu.git] / migration / migration.h

diff --git a/migration/migration.h b/migration/migration.h
index d02a759331870761c64698082f5adc6720fa5a8c..83dc36b57a0dbeaeef55585db58941d97058e28e 100644 (file)
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -49,6 +49,8 @@ struct MigrationIncomingState {
     int       userfault_event_fd;
     QEMUFile *to_src_file;
     QemuMutex rp_mutex;    /* We send replies from multiple threads */
+    /* RAMBlock of last request sent to source */
+    RAMBlock *last_rb;
     void     *postcopy_tmp_page;
     void     *postcopy_tmp_zero_page;
     /* PostCopyFD's for external userfaultfds & handlers of shared memory */