# softlimit -m 21000000 perl -le 'use version; print $version::VERSION'
0.96
# softlimit -m 20000000 perl -le 'use version; print $version::VERSION'
Can't locate version/vpp.pm in @INC (@INC contains: /etc/perl /usr/lib64/perl5/site_perl/5.12.4/x86_64-linux /usr/lib64/perl5/site_perl/5.12.4 /usr/lib64/perl5/vendor_perl/5.12.4/x86_64-linux /usr/lib64/perl5/vendor_perl/5.12.4 /usr/lib64/perl5/site_perl /usr/lib64/perl5/vendor_perl /usr/lib64/perl5/5.12.4/x86_64-linux /usr/lib64/perl5/5.12.4 /usr/local/lib/site_perl .) at (eval 2) line 2.
BEGIN failed--compilation aborted at (eval 2) line 2.
Compilation failed in require at -e line 1.
BEGIN failed--compilation aborted at -e line 1.
# softlimit -m 19000000 perl -le 'use version; print $version::VERSION'
Out of memory!