Re: [PATCH net 2/4] tcp: add tcp_rx_skb_cache sysctl

2019-06-16 Thread Feng Tang
On Fri, Jun 14, 2019 at 04:22:19PM -0700, Eric Dumazet wrote: > Instead of relying on rps_needed, it is safer to use a separate > static key, since we do not want to enable TCP rx_skb_cache > by default. This feature can cause huge increase of memory > usage on hosts with millions of sockets. Than

[PATCH net 2/4] tcp: add tcp_rx_skb_cache sysctl

2019-06-14 Thread Eric Dumazet
Instead of relying on rps_needed, it is safer to use a separate static key, since we do not want to enable TCP rx_skb_cache by default. This feature can cause huge increase of memory usage on hosts with millions of sockets. Signed-off-by: Eric Dumazet --- Documentation/networking/ip-sysctl.txt |