infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-06-12 05:25:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: wrong comments on update watermark

Browse Source
This commit is contained in:
Xiaolong Peng 2026-06-11 14:31:07 -07:00
parent e6d1496c2e
commit fe0c1985ce
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/hotspot/share/gc/shenandoah/shenandoahPartitionAllocator.cpp
View File

@ -144,7 +144,9 @@ HeapWord* ShenandoahPartitionAllocator<PARTITION>::allocate_in(ShenandoahHeapReg
_free_set->increase_partition_used(PARTITION, req.actual_size() * HeapWordSize);
} else {
assert(req.is_gc_alloc(), "Should be gc_alloc since req wasn't mutator alloc");
// GC allocations set update_watermark so relocated objects aren't re-updated during update-refs.
// For GC allocations, we advance update_watermark because the objects relocated into this memory during
// evacuation are not updated during evacuation. For both young and old regions, it is essential that all
// PLABs be made parsable at the end of evacuation. This is enabled by retiring all plabs at end of evacuation.
r->set_update_watermark(r->top());
_free_set->increase_partition_used(PARTITION, (req.actual_size() + req.waste()) * HeapWordSize);
}