From: Eric Dumazet <eric.duma...@gmail.com> Date: Mon, 02 May 2016 10:56:27 -0700
> From: Eric Dumazet <eduma...@google.com> > > Hosts sending lot of ACK packets exhibit high sock_wfree() cost > because of cache line miss to test SOCK_USE_WRITE_QUEUE > > We could move this flag close to sk_wmem_alloc but it is better > to perform the atomic_sub_and_test() on a clean cache line, > as it avoid one extra bus transaction. > > skb_orphan_partial() can also have a fast track for packets that either > are TCP acks, or already went through another skb_orphan_partial() > > Signed-off-by: Eric Dumazet <eduma...@google.com> Applied, thanks.
