• Michael Lippautz's avatar
    [heap] Untangle iterability from regular sweeping · 2e4b4db0
    Michael Lippautz authored
    Separates restoring iterability from sweeping a page. Since the set
    of pages where iterability needs to be restored is small, it is
    possible to wait and block for the task to finish if necessary.
    
    A follow up change can now remove the fragile logic for delaying
    unmapping of pages since it is guaranteed that no background task
    keeps a reference to a page for restoring iterability.
    
    Bug: chromium:791043
    Change-Id: Ifba45594cc586df3c99e1bbb20a13b44c18dd9a1
    Reviewed-on: https://chromium-review.googlesource.com/796419
    Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#49826}
    2e4b4db0
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