Integrated: 8342610: ZGC: Cleanup pre-touching code

[Stefan Karlsson]

On Mon, 21 Oct 2024 08:15:16 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> There's a few things that we'd like to cleanup around the pre-touching code.
> * Remove the dependency to ZPhysicalMemoryManager - cleans up the call site
> * Remove unimplemented function pretouch_view (and its friends)
> * Change type from zoffset for the iteration variable - multiple threads update it and it is not guaranteed to stay below the required ZAddressOffsetMax. I can trigger an assert here if I change the code to prime_cache in the higher address range instead of the lower and setting a max heap size that matches ZAddressOffsetMax.

This pull request has now been integrated.

Changeset: 264d7014
Author:    Stefan Karlsson <stefank at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/264d7014a11b113d309dde2301ea23d6eba71f57
Stats:     39 lines in 3 files changed: 13 ins; 14 del; 12 mod

8342610: ZGC: Cleanup pre-touching code

Reviewed-by: aboldtch, mli, jsikstro, eosterlund

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PR: https://git.openjdk.org/jdk/pull/21600