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8364650: G1: Use InvalidCSetIndex instead of UINT_MAX for "invalid" sentinel value of young_index_in_cset

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Reviewed-by: ayang, iwalulya
This commit is contained in:
Thomas Schatzl 2025-08-21 09:18:58 +00:00
parent 5febc4e3bb
commit 5ede5b47d4
2 changed files with 3 additions and 3 deletions
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2
src/hotspot/share/gc/g1/g1HeapRegion.cpp
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@ -245,7 +245,7 @@ G1HeapRegion::G1HeapRegion(uint hrm_index,
_parsable_bottom(nullptr),
_garbage_bytes(0),
_incoming_refs(0),
_young_index_in_cset(-1),
_young_index_in_cset(InvalidCSetIndex),
_surv_rate_group(nullptr),
_age_index(G1SurvRateGroup::InvalidAgeIndex),
_node_index(G1NUMA::UnknownNodeIndex),

4
src/hotspot/share/gc/g1/g1HeapRegion.hpp
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@ -496,10 +496,10 @@ public:
void set_index_in_opt_cset(uint index) { _index_in_opt_cset = index; }
void clear_index_in_opt_cset() { _index_in_opt_cset = InvalidCSetIndex; }
uint young_index_in_cset() const { return _young_index_in_cset; }
uint young_index_in_cset() const { return _young_index_in_cset; }
void clear_young_index_in_cset() { _young_index_in_cset = 0; }
void set_young_index_in_cset(uint index) {
assert(index != UINT_MAX, "just checking");
assert(index != InvalidCSetIndex, "just checking");
assert(index != 0, "just checking");
assert(is_young(), "pre-condition");
_young_index_in_cset = index;