RFR: 8344882: (bf) Temporary direct buffers should not count against the upper limit on direct buffer memory

[Per Minborg]

On Fri, 22 Nov 2024 23:44:11 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Make the memory used by internal temporary direct buffers not count towards the upper limit on direct buffer memory.

Could we add some tests also?

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PR Comment: https://git.openjdk.org/jdk/pull/22339#issuecomment-2497081725