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 <edumazet@xxxxxxxxxx> Cc: Wei Wang <weiwan@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> [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 <alakeshh@xxxxxxxxxx> Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx> Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx> Cc: Eric Dumazet <edumazet@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # 4.14.x
What does this fix? This is a new interface... -- Thanks, Sasha
