RFR: 8280761: UseCompressedOops should be set after limit_heap_by_allocatable_memory [v5]

[Albert Mingkun Yang]

On Wed, 13 Apr 2022 08:38:59 GMT, KIRIYAMA Takuya <duke at openjdk.java.net> wrote:

>> I fixed to set UseCompressedOops flag after limit_heap_by_allocatable_memory(). 
>> So when ulimit -v is called and -XX:MaxRAM is set, UseCompressedOops does not become false. 
>> And all hotspot tier1 test are passed.
>> Would you please review this fix?
>
> KIRIYAMA Takuya has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8280761 UseCompressedOops should be set after limit_heap_by_allocatable_memory

Need sth like this to resolve the failure.


  // Convert bytes to kbytes for ulimit -v
  var ulimit_prefix = "ulimit -v " + (ulimit / 1024);
  ...
  ProcessBuilder pb = new ProcessBuilder("sh", "-c", ulimit_prefix + ";" + cmd);

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PR: https://git.openjdk.java.net/jdk/pull/7938