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Decommit region tails #66008

Merged
merged 10 commits into from
Mar 7, 2022
Merged

Decommit region tails #66008

merged 10 commits into from
Mar 7, 2022

Commits on Feb 28, 2022

  1. Initial version

    @PeterSolMS
    PeterSolMS committed Feb 28, 2022
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  2. Avoid getting stuck in non-promotion mode.

    @PeterSolMS
    PeterSolMS committed Feb 28, 2022
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Commits on Mar 1, 2022

  1. Get rid of hack for suppressing non-promotion.

    @PeterSolMS
    PeterSolMS committed Mar 1, 2022
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  2. Undo unrelated change.

    @PeterSolMS
    PeterSolMS committed Mar 1, 2022
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  3. Refactoring to avoid repeating common code.

    @PeterSolMS
    PeterSolMS committed Mar 1, 2022
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Commits on Mar 2, 2022

  1. Improve instrumentation, address code review feedback, remove TRACE_GC.

    @PeterSolMS
    PeterSolMS committed Mar 2, 2022
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  2. Decommit the ends of gen 2 and uoh regions right away, but not of gen… 

    … 0 and gen 1 regions.
    @PeterSolMS
    PeterSolMS committed Mar 2, 2022
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Commits on Mar 3, 2022

  1. Fix issues revealed by testing: 

    - add initialization for heap_segment_decommit_target
- check for use_large_pages_p in decommit_step
    @PeterSolMS
    PeterSolMS committed Mar 3, 2022
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Commits on Mar 4, 2022

  1. Implemented stress mode for decommit logic, fixed two issues discovered: 

    - for the ephemeral_heap_segment, need to get allocated from the heap, not from the segment
- calling enter_spin_lock may deadlock at the start of a GC, replaced by try_enter_spin_lock
    @PeterSolMS
    PeterSolMS committed Mar 4, 2022
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  2. Merge branch 'main' into Decommit_region_tails

    @PeterSolMS
    PeterSolMS committed Mar 4, 2022
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