• Dominik Inführ's avatar
    [heap] Cleanup OLD_TO_SHARED slots in sweeper · 55f6a973
    Dominik Inführ authored
    Sweeper needs to clean up slots in the OLD_TO_SHARED remembered set
    as well in the future. Unlike OLD_TO_NEW or OLD_TO_OLD this remembered
    set will not be reset after a full GC. So we will have to remove from it
    both during and after a full GC when sweeping.
    
    However in the current implementation we still reset this remembered set
    in a shared GC. This only works because we scan all client heaps
    during a shared GC anyways to rebuild the remembered set. We will get
    rid of that when all required write barriers are implemented.
    
    Bug: v8:11708
    Change-Id: Ib891a882fdf70671a483c8662408cf64e72134c6
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3574546Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
    Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#79874}
    55f6a973
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