Withdrawn: JDK-8322943: runtime/CompressedOops/CompressedClassPointers.java fails on AIX

Joachim Kern jkern at openjdk.org
Mon Mar 4 10:20:58 UTC 2024


On Mon, 5 Feb 2024 12:08:10 GMT, Joachim Kern <jkern at openjdk.org> wrote:

> Even after recent fixes like
> https://bugs.openjdk.org/browse/JDK-8305765
> the test runtime/CompressedOops/CompressedClassPointers.java fails on AIX.
> 
> This error results from the fact, that on AIX the shmat() allocation granularity is 256MB instead of the standard Pagesize (4KB or 64KB).
> 
> As a solution we introduce a new method  `os::vm_shm_allocation_granularity()`, which on all platforms except AIX returns the same value as  `os::vm_allocation_granularity()`, but on AIX it returns (in the apropriate cases) 256MB.
> 
> This new getter is used at all needed places instead of  `os::vm_allocation_granularity()`.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/17708


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