# Setup any specified hard limit on the virtual size of the process
-#if defined?(HARD_MEMORY_LIMIT) and Process.const_defined?(:RLIMIT_AS)
-# Process.setrlimit Process::RLIMIT_AS, HARD_MEMORY_LIMIT*1024*1024, Process::RLIM_INFINITY
-#end
+if defined?(HARD_MEMORY_LIMIT) and defined?(PhusionPassenger) and Process.const_defined?(:RLIMIT_AS)
+ Process.setrlimit Process::RLIMIT_AS, HARD_MEMORY_LIMIT*1024*1024, Process::RLIM_INFINITY
+end
# If we're running under passenger and a soft memory limit is
# configured then setup some rack middleware to police the limit