[GitHub] [incubator-nuttx] xiaoxiang781216 commented on pull request #6780: iob_s add io_private filed, user can use it to keep context

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xiaoxiang781216 commented on PR #6780:
URL: https://github.com/apache/incubator-nuttx/pull/6780#issuecomment-1205993756

   > > How do you think if we add a KCONFIG option to turn it on or off? like following:
   > 
   > Although this is a improvement, if you bring in your TCP/IP reassemble changes in then you probably select this setting by default. Which on a system that uses for instance TCP/IP, UDP/IP and SocketCAN, then the UDP/IP and SocketCAN stack still get the memory increase by allocating the iob_private and not using it.
   > 
   
   UDP still need reassemble feature which is at IP level, but I am not sure where SocketCAN need IP reassemble. But the new option could address the major concern about the size expansion.


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