RFR: 8263185: Mallinfo deprecated in glibc 2.33

[Thomas Stuefe]

On Fri, 12 Mar 2021 10:12:17 GMT, Christoph Göttschkes <cgo at openjdk.org> wrote:

> Starting with glibc 2.33, mallinfo is deprecated in favor of the new mallinfo2 API. Both APIs work the same way, the only difference is, that mallinfo2 uses size_t instead of int for the fields of the struct, containing the information about malloc. Please see the [glibc release notes](https://sourceware.org/pipermail/libc-alpha/2021-February/122207.html).
> 
> Testing with tier1 on a system with glibc 2.33 and on a system with glibc 2.31.

Would this not mean we fail to run a glibc 2.33+ built VM on a machine with an older glibc?

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PR: https://git.openjdk.java.net/jdk/pull/2964