From 01d7385618992a9017198534870aec62f54f963a Mon Sep 17 00:00:00 2001 From: Jason Xing Date: Tue, 18 Nov 2025 15:06:44 +0800 Subject: [PATCH] net: increase default NAPI_SKB_CACHE_BULK to 32 The previous value 16 is a bit conservative, so adjust it along with NAPI_SKB_CACHE_SIZE, which can minimize triggering memory allocation in napi_skb_cache_get*(). Suggested-by: Eric Dumazet Signed-off-by: Jason Xing Reviewed-by: Eric Dumazet Reviewed-by: Alexander Lobakin Link: https://patch.msgid.link/20251118070646.61344-3-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski --- net/core/skbuff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index e4abf0e567767..b6fe7ab85c4a9 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -224,7 +224,7 @@ static void skb_under_panic(struct sk_buff *skb, unsigned int sz, void *addr) } #define NAPI_SKB_CACHE_SIZE 128 -#define NAPI_SKB_CACHE_BULK 16 +#define NAPI_SKB_CACHE_BULK 32 #define NAPI_SKB_CACHE_HALF (NAPI_SKB_CACHE_SIZE / 2) struct napi_alloc_cache { -- 2.47.3