skb_defer_max value is very conservative, and can be increased to avoid too many calls to kick_defer_list_purge(). Signed-off-by: Eric Dumazet --- Documentation/admin-guide/sysctl/net.rst | 4 ++-- net/core/hotdata.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/admin-guide/sysctl/net.rst b/Documentation/admin-guide/sysctl/net.rst index 991773dcb9cfe57f64bffabc018549b712aed9b0..369a738a68193e897d880eeb2c5a22cd90833938 100644 --- a/Documentation/admin-guide/sysctl/net.rst +++ b/Documentation/admin-guide/sysctl/net.rst @@ -355,9 +355,9 @@ skb_defer_max ------------- Max size (in skbs) of the per-cpu list of skbs being freed -by the cpu which allocated them. Used by TCP stack so far. +by the cpu which allocated them. -Default: 64 +Default: 128 optmem_max ---------- diff --git a/net/core/hotdata.c b/net/core/hotdata.c index 95d0a4df10069e4529fb9e5b58e8391574085cf1..dddd5c287cf08ba75aec1cc546fd1bc48c0f7b26 100644 --- a/net/core/hotdata.c +++ b/net/core/hotdata.c @@ -20,7 +20,7 @@ struct net_hotdata net_hotdata __cacheline_aligned = { .dev_tx_weight = 64, .dev_rx_weight = 64, .sysctl_max_skb_frags = MAX_SKB_FRAGS, - .sysctl_skb_defer_max = 64, + .sysctl_skb_defer_max = 128, .sysctl_mem_pcpu_rsv = SK_MEMORY_PCPU_RESERVE }; EXPORT_SYMBOL(net_hotdata); -- 2.51.2.1041.gc1ab5b90ca-goog