[jdk21u-dev] Integrated: 8324817: Parallel GC does not pre-touch all heap pages when AlwaysPreTouch enabled and large page disabled

[Liang Mao]

On Thu, 22 Feb 2024 09:21:24 GMT, Liang Mao <lmao at openjdk.org> wrote:

> Clean backport of fix of pretouch for parallel gc. The original issue is reproduced with linux/aarch64 and fix is verified.
> 
> Additional testing:
>  - [x] Linux aarch64 server release/fastdebug, `hotspot_gc` with `-XX:+UseParallelGC -XX:+AlwaysPreTouch`

This pull request has now been integrated.

Changeset: ef13a829
Author:    Liang Mao <lmao at openjdk.org>
Committer: Jie Fu <jiefu at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/ef13a829165c9a558e9ca343ad228a13553309ac
Stats:     83 lines in 2 files changed: 81 ins; 0 del; 2 mod

8324817: Parallel GC does not pre-touch all heap pages when AlwaysPreTouch enabled and large page disabled

Backport-of: 80642dd7af3fcc7c042f11798c5cc899e20b9368

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PR: https://git.openjdk.org/jdk21u-dev/pull/280