P4
The method os::numa_topology_changed() returns false on all platforms with no callers. It makes sense to remove it as the JVM does not support changing the NUMA topology during runtime, or in other words, hotswapping CPUs.
The last implementation of os::numa_topology_changed() that did something other than just returning false was removed inJDK-8244224 with the removal of the Solaris and SPARC ports.
The last implementation of os::numa_topology_changed() that did something other than just returning false was removed in
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Commit(master)
openjdk/jdk/3d679087
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Review(master)
openjdk/jdk/27176