RFR: 8170817: G1: Returning MinTLABSize from unsafe_max_tlab_alloc causes TLAB flapping

Thu Oct 12 08:55:13 UTC 2023

On Mon, 9 Oct 2023 15:14:42 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

> Hi all,
> 
> Please review this small change to return the maximum allowed TLAB size from `unsafe_max_tlab_alloc` in case the current region does not have enough free space to allocate MinTLABSize. We assume that the next TLAB allocation will happen in a new region.
> 
> Testing: Tier 1-3.
> 
> Thanks

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/16102#pullrequestreview-1673642541