From 3b26c27207c4630e75e280abdcd4c2ccc6583db9 Mon Sep 17 00:00:00 2001
From: Mingze Li <mingze-li@foxmail.com>
Date: Wed, 11 Nov 2026 19:05:38 +0100
Subject: [PATCH] Optimize memory usage by removing reserve call

Removed unnecessary reservation of memory for mcParticles.
---
 PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx | 1 -
 1 file changed, 1 deletion(-)

diff --git a/PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx b/PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx
index 325b21a502e..3edb2290481 100644
--- a/PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx
+++ b/PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx
@@ -431,7 +431,6 @@ struct HfTreeCreatorDstarSpinAlignMixing {
         fillCandidateTable<true>(collision, dstarCandidate, tracks, bcWithTimeStamps);
       }
     }
-    rowGenMcParticles.reserve(mcParticles.size());
 
     for (const auto& mcParticle : mcParticles) {
       const auto& recoCollsPerMcColl = collisions.sliceBy(colPerMcCollision, mcParticle.mcCollision().globalIndex());