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Omer Katz authored
This CL replaces evacuation in MinorMC with always promoting pages. Pages in new space are promoted first within new space and then to old space upon a second GC. This implementation should not yet be used in production and is guarded behind a runtime flag. In case all pages in new space have at least one live object on them, all pages will be promoted and new space will still be out of memory, thus immediately triggering a second young gen GC that will promote all objects to old space. Further CLs will mitigate this issue. Bug: v8:12612 Change-Id: I329ea01d6d15c0942db2eeeea87c5cefcac75502 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3448385Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Reviewed-by: Dominik Inführ <dinfuehr@chromium.org> Commit-Queue: Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/main@{#79099}
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