From: Eric Dumazet <eric.duma...@gmail.com> Date: Sat, 23 Sep 2017 12:39:12 -0700
> From: Eric Dumazet <eduma...@google.com> > > As measured in my prior patch ("sch_netem: faster rb tree removal"), > rbtree_postorder_for_each_entry_safe() is nice looking but much slower > than using rb_next() directly, except when tree is small enough > to fit in CPU caches (then the cost is the same) > > Also note that there is not even an increase of text size : > $ size net/core/skbuff.o.before net/core/skbuff.o > text data bss dec hex filename > 40711 1298 0 42009 a419 net/core/skbuff.o.before > 40711 1298 0 42009 a419 net/core/skbuff.o > > > From: Eric Dumazet <eduma...@google.com> Applied.