[crac] Integrated: 8364554: [CRaC] Improve CRaC VM options' docs

[Timofei Pushkin]

On Fri, 1 Aug 2025 19:22:03 GMT, Timofei Pushkin <tpushkin at openjdk.org> wrote:

> Besides some wording and formatting of VM options:
> - Renames `CRaCAllowToSkipCheckpoint` to `CRaCSkipCheckpoint` since it makes the VM always skip checkpoints and not only in some cases
> - Replaces `CRaCMaxHeapSizeBeforeCheckpoint == 0` with `FLAG_IS_DEFAULT(CRaCMaxHeapSizeBeforeCheckpoint)` because the docs 0 do not specify 0 as a special value

This pull request has now been integrated.

Changeset: e49eb2bd
Author:    Timofei Pushkin <tpushkin at openjdk.org>
URL:       https://git.openjdk.org/crac/commit/e49eb2bde98c5678a7874f611d0a16bf5db02c3c
Stats:     80 lines in 9 files changed: 8 ins; 9 del; 63 mod

8364554: [CRaC] Improve CRaC VM options' docs

Reviewed-by: rvansa

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PR: https://git.openjdk.org/crac/pull/256