diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-11-06 20:29:35 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-07 19:02:40 -0800 |
| commit | b61785852ed0a0e7dc16b606157e4a0228cd76cf (patch) | |
| tree | 3262c2483a8503e1ee04820311157fb6db8726d7 | |
| parent | e20dfbad8aab2b7c72571ae3c3e2e646d6b04cb7 (diff) | |
net: increase skb_defer_max default to 128
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 <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20251106202935.1776179-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | Documentation/admin-guide/sysctl/net.rst | 4 | ||||
| -rw-r--r-- | 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 991773dcb9cf..369a738a6819 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 95d0a4df1006..dddd5c287cf0 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); |