RFR: 8304074: [JMX] Add an approximation of total bytes allocated on the Java heap by the JVM [v11]

[Paul Hohensee]

On Tue, 9 May 2023 01:08:19 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Paul Hohensee has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Implement 32-bit linux Atomic::add()
>
> src/hotspot/share/runtime/atomic.hpp line 310:
> 
>> 308: 
>> 309:   // Platform-specific implementation of add.  Support for sizes of 4
>> 310:   // and 8 bytes are required.  The class must be default constructable,
> 
> Comment change seems unnecessary.

I found that I had to add 64-bit atomic add support on 32-bit platforms (working on it), so I changed the comment to match the similar cmpxchg one.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13814#discussion_r1188034535