[jdk11u-dev] Integrated: 8229147: Linux os::create_thread() overcounts guardpage size with newer glibc (>=2.27)

[Lutz Schmidt]

On Mon, 10 Jul 2023 19:47:08 GMT, Lutz Schmidt <lucy at openjdk.org> wrote:

> This backport is for parity with 11.0.21-oracle. 
> Fix didn't apply at all, os/linux/os_linux.cpp was too different in particular. 
> I managed to create a working version by massaging and applying the changes manually. 
> 
> There is some risk involved. It is not caused by the intentional change of behavior but by potential collateral damage. 
> 
> Tests (SAP nightly test suite) do not indicate any issues.
> All the additional commits were as well tested overnight with no issues found.
> Reviews received.

This pull request has now been integrated.

Changeset: b49e8b28
Author:    Lutz Schmidt <lucy at openjdk.org>
URL:       https://git.openjdk.org/jdk11u-dev/commit/b49e8b282c2c50a2f129cd5cfa45a9eb91fc7e68
Stats:     150 lines in 3 files changed: 125 ins; 7 del; 18 mod

8229147: Linux os::create_thread() overcounts guardpage size with newer glibc (>=2.27)

Reviewed-by: goetz, stuefe
Backport-of: 9ebcda2165c42e3f7b82a9ae8074badb69c0d270

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PR: https://git.openjdk.org/jdk11u-dev/pull/2035