From 6a3024c13d89c143cbc600985f8c915d2bfe2ef1 Mon Sep 17 00:00:00 2001
From: Philipp Schuster <philipp.schuster@cyberus-technology.de>
Date: Thu, 9 Apr 2026 10:42:55 +0200
Subject: [PATCH] vm-migration: add MemoryMigrationContext::empty_finalized()
 helper

This is helpful in the following to properly aggregate statistics for
local migrations.

On-behalf-of: SAP philipp.schuster@sap.com
Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
---
 vm-migration/src/context.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/vm-migration/src/context.rs b/vm-migration/src/context.rs
index 338dad9ed..21801c029 100644
--- a/vm-migration/src/context.rs
+++ b/vm-migration/src/context.rs
@@ -286,6 +286,15 @@ impl MemoryMigrationContext {
         }
     }
 
+    /// Returns an empty finalized block.
+    ///
+    /// This can be used if no memory was transferred (e.g., local migration).
+    pub fn empty_finalized() -> Self {
+        let mut this = Self::new();
+        this.finalize();
+        this
+    }
+
     /// Updates the metrics right before the transfer over the wire.
     ///
     /// Supposed to be called once per precopy memory iteration.