netdev - [PATCH net-next 2/4] net: use napi_consume_skb() in skb_defer_free

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Date:   Sun, 15 May 2022 21:24:54 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 2/4] net: use napi_consume_skb() in skb_defer_free_flush()

From: Eric Dumazet <edumazet@...gle.com>

skb_defer_free_flush() runs from softirq context,
we have the opportunity to refill the napi_alloc_cache,
and/or use kmem_cache_free_bulk() when this cache is full.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index d708f95356e0b03a61e8211adcf6d272dfa322b5..35b6d79b0c51412534dc3b3374b8d797d212f2d8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6632,7 +6632,7 @@ static void skb_defer_free_flush(struct softnet_data *sd)
 
 	while (skb != NULL) {
 		next = skb->next;
-		__kfree_skb(skb);
+		napi_consume_skb(skb, 1);
 		skb = next;
 	}
 }
-- 
2.36.0.550.gb090851708-goog