On Fri, 30 Jul 2021 16:33:17 GMT, Zhengyu Gu <z...@openjdk.org> wrote:
>> The code is implicitly thread-safe because the hashmap is only modified in >> the pre-NMT-init phase. After NMT initialization, the table is read-only. >> During pre-NMT-init we are effectively single-threaded - at most two threads >> access the map, the thread loading the libjvm, and the thread calling >> CreateJavaVM, but not at the same time. >> >> See also the asserts in the AllStatic class `NMTPreInit`. >> >> (I should have described it more clearly, will add a comment.) > > So, you are saying that there is no memory that is malloc'd pre-NMT-init > phase and freed post-NMT-init phase? Okay, I see. It just leaks those memory, so the table can be read-only. ------------- PR: https://git.openjdk.java.net/jdk/pull/4874