From 335f043756c18499c995c153bb7557083414eefa Mon Sep 17 00:00:00 2001
From: Bartosz <brejman@google.com>
Date: Thu, 5 Mar 2026 10:36:52 +0000
Subject: [PATCH] Add Min/MaxScore to replace Min/MaxNodeScore

---
 pkg/scheduler/framework/runtime/framework.go       |  8 ++++----
 .../k8s.io/kube-scheduler/framework/interface.go   | 14 ++++++++++++--
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/pkg/scheduler/framework/runtime/framework.go b/pkg/scheduler/framework/runtime/framework.go
index 2c5594341e7..d06d441644a 100644
--- a/pkg/scheduler/framework/runtime/framework.go
+++ b/pkg/scheduler/framework/runtime/framework.go
@@ -578,10 +578,10 @@ func getValidScoreWeights(f *frameworkImpl, pluginType reflect.Type, plugins []c
 		}
 
 		// Checks totalPriority against MaxTotalScore to avoid overflow
-		if int64(weights[e.Name])*fwk.MaxNodeScore > fwk.MaxTotalScore-totalPriority {
+		if int64(weights[e.Name])*fwk.MaxScore > fwk.MaxTotalScore-totalPriority {
 			return nil, fmt.Errorf("total score of Score plugins could overflow")
 		}
-		totalPriority += int64(weights[e.Name]) * fwk.MaxNodeScore
+		totalPriority += int64(weights[e.Name]) * fwk.MaxScore
 	}
 	return weights, nil
 }
@@ -1536,8 +1536,8 @@ func (f *frameworkImpl) RunPlacementScorePlugins(ctx context.Context, state fwk.
 			placementScoreList := pluginToPlacementScores[pl.Name()]
 			score := placementScoreList[index].Score
 
-			if score > fwk.MaxNodeScore || score < fwk.MinNodeScore {
-				err := fmt.Errorf("plugin %q returns an invalid score %v, it should in the range of [%v, %v] after normalizing", pl.Name(), score, fwk.MinNodeScore, fwk.MaxNodeScore)
+			if score > fwk.MaxScore || score < fwk.MinScore {
+				err := fmt.Errorf("plugin %q returns an invalid score %v, it should in the range of [%v, %v] after normalizing", pl.Name(), score, fwk.MinScore, fwk.MaxScore)
 				errCh.SendWithCancel(err, cancel)
 				return
 			}
diff --git a/staging/src/k8s.io/kube-scheduler/framework/interface.go b/staging/src/k8s.io/kube-scheduler/framework/interface.go
index 329c0405e31..deb751effcf 100644
--- a/staging/src/k8s.io/kube-scheduler/framework/interface.go
+++ b/staging/src/k8s.io/kube-scheduler/framework/interface.go
@@ -297,10 +297,20 @@ type PlacementPluginScores struct {
 
 const (
 	// MaxNodeScore is the maximum score a Score plugin is expected to return.
-	MaxNodeScore int64 = 100
+	//
+	// Deprecated: use MaxScore instead.
+	MaxNodeScore int64 = MaxScore
 
 	// MinNodeScore is the minimum score a Score plugin is expected to return.
-	MinNodeScore int64 = 0
+	//
+	// Deprecated: use MinScore instead.
+	MinNodeScore int64 = MinScore
+
+	// MaxScore is the maximum score a Score or PlacementScore plugin is expected to return.
+	MaxScore int64 = 100
+
+	// MinScore is the minimum score a Score or PlacementScore plugin is expected to return.
+	MinScore int64 = 0
 
 	// MaxTotalScore is the maximum total score.
 	MaxTotalScore int64 = math.MaxInt64