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  1. JDK
  2. JDK-8259862

MutableSpace's end should be atomic

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    • gc
    • b09
    • Fix failed

    Description

      MutableSpace is used by PSOldGen. It's end value is subject to concurrent reads and writes. It is read when doing an allocation, and written when expanding, and those operations can be concurrent.

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          Enhancement - null JDK-8261212 [REDO] MutableSpace's end should be atomic

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8259271 gc/parallel/TestDynShrinkHeap.java still fails "assert(covered_region.contains(new_memregion)) failed: new region is not in covered_region"

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Enhancement - null JDK-8259776 Remove ParallelGC non-CAS oldgen allocation

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8259778 Merge MutableSpace and ImmutableSpace

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          links to

          Commit Commit openjdk/jdk/1e0a1013

          Review Review openjdk/jdk/2323

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              kbarrett Kim Barrett
              kbarrett Kim Barrett
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                Created:
                Updated:
                Resolved: