From fb13abef44d535ebc4535921fd4eb0f285030465 Mon Sep 17 00:00:00 2001 From: Thomas Schatzl Date: Mon, 12 Jan 2026 08:26:10 +0000 Subject: [PATCH] 8374743: G1 starts a concurrent mark when allocating humongous objects during initialization MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Erik Österlund Reviewed-by: eosterlund, iwalulya, sjohanss, shade --- src/hotspot/share/gc/g1/g1CollectedHeap.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp index 061241c24e2..2ad5a26d5e6 100644 --- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp +++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2025, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2026, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -686,7 +686,8 @@ HeapWord* G1CollectedHeap::attempt_allocation_humongous(size_t word_size) { // the check before we do the actual allocation. The reason for doing it // before the allocation is that we avoid having to keep track of the newly // allocated memory while we do a GC. - if (policy()->need_to_start_conc_mark("concurrent humongous allocation", + // Only try that if we can actually perform a GC. + if (is_init_completed() && policy()->need_to_start_conc_mark("concurrent humongous allocation", word_size)) { try_collect(word_size, GCCause::_g1_humongous_allocation, collection_counters(this)); }