RE: Correctly determine amount of "free memory"

[Gregory Giguashvili]

> On the side, it would not hurt to study 'overcommit' and mlock(2). The
answer to your question is > not static unless care is taken. 
I'm using mlock(2), but the problem is that I need to allocate as much
memory as possible without causing swapping, so I need to have _rough_
estimate before actually allocating the memory.

Thanks,
Giga
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