What's the difference between reserved and committed memory?

Posted by glutz78 on Stack Overflow See other posts from Stack Overflow or by glutz78
Published on 2010-03-13T23:14:39Z Indexed on 2010/03/13 23:25 UTC
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I understand that memory has to be reserved before being committed. And when it's reserved, no other process can use it. However reserved memory does not count against available RAM. But shouldn't it? Because if no one else can use it, then what good is it being "available"?

Or is there some bigger difference?

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