Github user PSUdaemon commented on the pull request: https://github.com/apache/trafficserver/pull/489#issuecomment-186979652 @bgaff, I think the 8 byte thing is a glibc implementation detail. Also, [this link](http://www.delorie.com/gnu/docs/glibc/libc_31.html ) suggests it's 16 bytes on 64bit as @jpeach suggested. Which yes, is still also 8 byte aligned. I think moving the size to the end of the allocated memory will give us the previous behavior.
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