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pypy / pypy / doc / garbage_collection.rst

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pypy/doc/garbage_collection.rst

 So as a first approximation, when compared to the Hybrid GC, the
 Minimark GC saves one word of memory per old object.
 
-There are a number of environment variables that can be tweaked to
-influence the GC.  (Their default value should be ok for most usages.)
-You can read more about them at the start of
-`pypy/rpython/memory/gc/minimark.py`_.
+There are :ref:`a number of environment variables
+<minimark-environment-variables>` that can be tweaked to influence the
+GC.  (Their default value should be ok for most usages.)
 
 In more detail:
 
   are preserved.  If the object dies then the pre-reserved location
   becomes free garbage, to be collected at the next major collection.
 
-
 .. include:: _ref.txt