RFR: JDK-8318636: Add jcmd to print annotated process memory map [v6]

[Thomas Stuefe]

On Mon, 30 Oct 2023 10:29:56 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix various builds
>
> src/hotspot/os/linux/memMapPrinter_linux.cpp line 80:
> 
>> 78:   FILE* f = os::fopen("/proc/self/maps", "r");
>> 79:   if (f != nullptr) {
>> 80:     static constexpr size_t linesize = sizeof(ProcMapsInfo);
> 
> Make this `constexpr const`, remove `static`.

Lets go with constexpr; should imply const.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16301#discussion_r1378423904