Does the -Xmx parameter still do something?

[Barnet Wagman]

In principle, the -Xmx<max heap size> variable limits the maximum amount
of memory that a vm can grab for its heap.  At one time, there was some
talk of disabling this, because it really isn't necessary under Linux.
 (I believe that the heap restriction was implemented for old Windows,
which didn't really allocate memory dynamically.)
The vm still accepts this parameter, but does it still do something?

Thanks,

bw



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