Comment # 9 on bug 852482 from Franck Bui

(In reply to Dr. Werner Fink from comment #7)
> (In reply to Franck Bui from comment #6)
> 
> AFAIK malloc/free are provided by glibc and if the resources will become
> short the internal memory management of the glibc will do as well as of the
> kernel do their jobs.  Compare with man:brk(2)
> 

Well I wrote a simple test case that allocates then frees 1000 objects of
4096MB. I could see the same behaviour: the resource seemed not to 
be released by glibc. However strace(1) showed me that it was (by shrinking the
heap by calling brk(2)).