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openjdk-1.8.0
_service:tar_scm:Fix-compactibleFreeListSpace-b...
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File _service:tar_scm:Fix-compactibleFreeListSpace-block_size_no_stall-cra.patch of Package openjdk-1.8.0
From 3d9fd51e13f76861e21293143b23c6936e030dfc Mon Sep 17 00:00:00 2001 From: eapen <zhangyipeng7@huawei.com> Date: Wed, 14 Dec 2022 16:54:06 +0800 Subject: [PATCH 16/33] I68TO2: Fix compactibleFreeListSpace::block_size_no_stall crash when use JMap parallel inspection of CMS GC --- .../concurrentMarkSweep/concurrentMarkSweepGeneration.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp index d31f9a5..c923e85 100644 --- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp +++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp @@ -2896,10 +2896,11 @@ void ConcurrentMarkSweepGeneration::object_iterate_block(ObjectClosure *cl, size } } } - if (prev_obj < span.end()) { - HeapWord *cur, *limit; + HeapWord *limit = MIN2(cmsSpace()->end(), span.end()); + if (prev_obj < limit) { + HeapWord *cur; size_t curSize; - for (cur = prev_obj, limit = span.end(); cur < limit; cur += curSize) { + for (cur = prev_obj; cur < limit; cur += curSize) { curSize = cmsSpace()->block_size_no_stall(cur, _collector); if (curSize == 0) { break; -- 1.8.3.1
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