[Xen-bugs] [Bug 1507] memory leak in pyxc_physinfo in xc.c

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1507





------- Comment #1 from kingram@xxxxxxxxx  2009-09-22 07:30 -------
Created an attachment (id=877)
 --> (http://bugzilla.xensource.com/bugzilla/attachment.cgi?id=877&action=view)
patch for tools/python/xen/lowlevel/xc/xc.c

I believe this patch fixes the physinfo memory leak. 

It adds calls to Py_DECREF for the lists that get created and added to the
return map (node_to_cpu_obj, cpus, node_to_memory_obj). If their reference
counts are not decremented they never get garbage collected.

I don't have a Xen development environment so it's not fully tested. I made a
standalone version of the function that leaks, stubbing out lower level calls,
and then fixed the reference counting in that.


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