RFR: 8329223: Parallel: Parallel GC resizes heap even has -Xms = -Xmx [v7]

[Zhengyu Gu]

On Mon, 22 Apr 2024 07:58:35 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Should this be `initial_old_size = MinOldSize;`?

Any reason why? 

The reason I picked current form because the original line was `MinOldSize = MIN2(initial_old_size, MinHeapSize - MinNewSize);`

Thanks

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PR Review Comment: https://git.openjdk.org/jdk/pull/18539#discussion_r1574728610