Brian Gough wrote:
At Wed, 19 Sep 2007 20:57:33 -0600,
Sergey Plis wrote:
What I see is the following:
When two programs are run in sequence with first having the memory freed
before the second even starts, I do not see the memory being reclaimed - the
system !!!swaps!!! I believe, swapping is a good sign of trouble here.
Hello,
This is normal behaviour, free() makes memory available for reuse by
the same process, it does not return it to the operating system. See
the description of the free() function in the "GNU C Library Reference
Manual" for more details -- it is a great resource.
Also, allowing a callback for a different memory allocator can solve the
problem. That is I can use something like mmap to allocate memory and
always be sure it goes back to the OS.
Thanks!
--
Sergey
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