On Thu, Jan 2, 2014 at 12:41 PM, <Valdis.Kletnieks@xxxxxx> wrote: > 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). Ah yes, you're correct Valdis. Thanks for note. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
