[OPENJDK-4106] Enable compact object headers #611
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jerboaa
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Sep 23, 2025
modules/jvm/artifacts/opt/jboss/container/java/jvm/java-default-options
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I've just had some news which implies I might need to design this so that I don't break older JDKs after all… |
Signed-off-by: Jonathan Dowland <[email protected]>
Source jvm-options (if it exists) from the Cekit "JRE" module path, rather than JDK. Move the evaluation of 'jvm_specific_options' out of the GC options function (gc_config) and into the general command line assembly. At present, none of the Cekit modules (JDK or JRE) provide the jvm-options file. Signed-off-by: Jonathan Dowland <[email protected]>
In the JRE module only (so far); define jvm_specific_options containing -XX:+UseCompactObjectHeaders unless JAVA_COMPACT_OBJECT_HEADERS is defined to "false". Signed-off-by: Jonathan Dowland <[email protected]>
To avoid repeating ourselves, recognising that the JRE module is a subset of the configuration required for the JDK modules, include the former from the latter. Signed-off-by: Jonathan Dowland <[email protected]>
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From rh-openjdk#611 Signed-off-by: Jonathan Dowland <[email protected]>
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This is very hard to test yet w/o a JDK25 RPM to install.
https://issues.redhat.com/browse/OPENJDK-4106
Depends upon: #612