Revert "Pods pending due to insufficient OIR should get scheduled once sufficient OIR becomes available."

plugin/pkg/scheduler/algorithm/predicates/predicates.go

@@ -468,30 +468,6 @@ func (c *VolumeZoneChecker) predicate(pod *v1.Pod, meta interface{}, nodeInfo *s
 	return true, nil, nil
 }
 
-// Returns a *schedulercache.Resource that covers the largest width in each
-// resource dimension. Because init-containers run sequentially, we collect the
-// max in each dimension iteratively. In contrast, we sum the resource vectors
-// for regular containers since they run simultaneously.
-//
-// Example:
-//
-// Pod:
-//   InitContainers
-//     IC1:
-//       CPU: 2
-//       Memory: 1G
-//     IC2:
-//       CPU: 2
-//       Memory: 3G
-//   Containers
-//     C1:
-//       CPU: 2
-//       Memory: 1G
-//     C2:
-//       CPU: 1
-//       Memory: 1G
-//
-// Result: CPU: 3, Memory: 3G
 func GetResourceRequest(pod *v1.Pod) *schedulercache.Resource {
 	result := schedulercache.Resource{}
 	for _, container := range pod.Spec.Containers {
@@ -529,8 +505,10 @@ func GetResourceRequest(pod *v1.Pod) *schedulercache.Resource {
 			default:
 				if v1.IsOpaqueIntResourceName(rName) {
 					value := rQuantity.Value()
+					// Ensure the opaque resource map is initialized in the result.
+					result.AddOpaque(rName, int64(0))
 					if value > result.OpaqueIntResources[rName] {
-						result.SetOpaque(rName, value)
+						result.OpaqueIntResources[rName] = value
 					}
 				}
 			}