Memory Regions displayed in SMAPS output with no permissions

Posted by crissangel on Stack Overflow See other posts from Stack Overflow or by crissangel
Published on 2010-05-09T09:15:03Z Indexed on 2010/05/09 9:18 UTC
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If I see the output of cat /proc//smaps, I find that there are some memory regions with which no read/write/execute permissions have been associated. Also these region are mapped to inode number 0.

I wanted to know how does a region end up in such a state? Is it some sort of memory leak?

Can these regions be ever used again by the process?

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