[11u] RFR (XS) 8261251: Shenandoah: Use object size for full GC humongous compaction
Roman Kennke
rkennke at redhat.com
Mon Feb 15 20:03:08 UTC 2021
Good! Thanks,
Roman
> Original bug:
> https://bugs.openjdk.java.net/browse/JDK-8261251
> https://git.openjdk.java.net/jdk/commit/deb0544f
>
> The patch does not apply cleanly to 11u, because of the
> shenandoahMarkCompact -> shenandoahFullGC rename. I applied the same
> patch to the new file without problems.
>
> 11u variant:
>
> diff -r a4e1ec47729f
> src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp
> --- a/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp Thu Jan
> 28 09:50:21 2021 +0000
> +++ b/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp Mon Feb
> 15 10:50:03 2021 +0100
> @@ -905,7 +905,7 @@
>
> Copy::aligned_conjoint_words(heap->get_region(old_start)->bottom(),
> heap->get_region(new_start)->bottom(),
> -
> ShenandoahHeapRegion::region_size_words()*num_regions);
> + words_size);
>
> oop new_obj = oop(heap->get_region(new_start)->bottom());
> new_obj->init_mark_raw();
>
> Testing: hotspot_gc_shenandoah; tier{1,2} with Shenandoah
>
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