• Anton Bikineev's avatar
    cppgc: Remove the 2GB split · 411cd56d
    Anton Bikineev authored
    The split is rudimental and now is not needed at all:
    - as part of the shared-cage effort we added HeapHandle pointer to the
      BasePageHandle class (on the API side);
    - for the value-full barrier we get HeapHandle from bitmasking the
      value;
    - for the value-less barrier we get it from the callback provided by the
      caller.
    
    The CL entirely removes the split and uses the single
    BoundedPageAllocator. A minor note: the conservative stack scanning can
    become sligthly more expensive.
    
    Bug: chromium:1361582, chromium:1325007
    Change-Id: I2a8aded3dd12037998f36341c68af8e23b0dcd88
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3899320Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
    Commit-Queue: Anton Bikineev <bikineev@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#83232}
    411cd56d
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