On Thu, Feb 14, 2019 at 01:12:08AM +0000, Alakesh Haloi wrote: > [ Upstream commit 356d1833b638bd465672aefeb71def3ab93fc17d ] > > Note that when a new netns is created, it inherits its > sysctl_tcp_rmem and sysctl_tcp_wmem from initial netns. > > This change is needed so that we can refine TCP rcvbuf autotuning, > to take RTT into consideration. > > Signed-off-by: Eric Dumazet <[email protected]> > Cc: Wei Wang <[email protected]> > Signed-off-by: David S. Miller <[email protected]> > [alakeshh: backport to v4.14: The patch does not apply to v4.14 > directly and hence needed manual backport. Function signature for > the function tcp_select_initial_window had to be changed to be able > to pass pointer to struct sock.] > Signed-off-by: Alakesh Haloi <[email protected]>
Like Sasha said, why is this needed in 4.14.y? It looks like a new feature. What is keeping you from just using 4.19.y if you want this feature? thanks, greg k-h
