simple memory malloc and free in ip_output.c
From: Valdis.Kletnieks at vt.edu <hidden>
Date: 2014-01-02 05:41:25
On Thu, 02 Jan 2014 12:12:49 +0700, Mulyadi Santosa said:
Other than what others have said, IMHO it is better to avoid such rapid alloc/free, assuming your code fragment is running on every packet reception/sending. Instead, I suggest to allocate the memory before the ip_queue_xmit and use-reuse it inside ip_queue_xmit.
Be careful with re-entrancy issues - you'll want a separate instance of memory for all possible concurrent callers of ip_queue_xmit (you may need one per active interface, because you can e transmitting packets on multiple interfaces at the same time). -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 848 bytes Desc: not available Url : http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20140102/711f1a02/attachment.bin