git: openjdk/jdk21u-dev: master: 8313319: [linux] mmap should use MAP_FIXED_NOREPLACE if available

[Thomas Stuefe]

Changeset: b17eef0f
Branch: master
Author:    Sergey Chernyshev <schernyshev at openjdk.org>
Committer: Thomas Stuefe <stuefe at openjdk.org>
Date:      2025-12-15 14:57:20 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/b17eef0fb5a8af20b520157ca1ec52d601b6746b

8313319: [linux] mmap should use MAP_FIXED_NOREPLACE if available

Reviewed-by: stuefe
Backport-of: 3699666c9325b38d287e1d4d2576f8e3a662ae81

! src/hotspot/os/linux/os_linux.cpp
! test/hotspot/gtest/runtime/test_os.cpp