[jdk21u-dev] RFR: 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`

Could committers please help sponsor, thanks!

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/280#issuecomment-1968078091