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-rw-r--r--migration/savevm.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 41e3238..0ccd7e5 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2579,6 +2579,18 @@ void qemu_loadvm_state_cleanup(void)
/* Return true if we should continue the migration, or false. */
static bool postcopy_pause_incoming(MigrationIncomingState *mis)
{
+ int i;
+
+ /*
+ * If network is interrupted, any temp page we received will be useless
+ * because we didn't mark them as "received" in receivedmap. After a
+ * proper recovery later (which will sync src dirty bitmap with receivedmap
+ * on dest) these cached small pages will be resent again.
+ */
+ for (i = 0; i < mis->postcopy_channels; i++) {
+ postcopy_temp_page_reset(&mis->postcopy_tmp_pages[i]);
+ }
+
trace_postcopy_pause_incoming();
assert(migrate_postcopy_ram());