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net: move skb_defer_free_flush() up 

We plan using skb_defer_free_flush() from napi_threaded_poll()
in the following patch.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2023-04-21 09:43:55 +00:00 committed by David S. Miller
parent 931e93bdf8
commit e6f50edfef
1 changed files with 21 additions and 21 deletions
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42
net/core/dev.c
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@ -6598,6 +6598,27 @@ static int napi_thread_wait(struct napi_struct *napi)
return -1;
}
static void skb_defer_free_flush(struct softnet_data *sd)
{
struct sk_buff *skb, *next;
/* Paired with WRITE_ONCE() in skb_attempt_defer_free() */
if (!READ_ONCE(sd->defer_list))
return;
spin_lock(&sd->defer_lock);
skb = sd->defer_list;
sd->defer_list = NULL;
sd->defer_count = 0;
spin_unlock(&sd->defer_lock);
while (skb != NULL) {
next = skb->next;
napi_consume_skb(skb, 1);
skb = next;
}
}
static int napi_threaded_poll(void *data)
{
struct napi_struct *napi = data;
@ -6624,27 +6645,6 @@ static int napi_threaded_poll(void *data)
return 0;
}
static void skb_defer_free_flush(struct softnet_data *sd)
{
struct sk_buff *skb, *next;
/* Paired with WRITE_ONCE() in skb_attempt_defer_free() */
if (!READ_ONCE(sd->defer_list))
return;
spin_lock(&sd->defer_lock);
skb = sd->defer_list;
sd->defer_list = NULL;
sd->defer_count = 0;
spin_unlock(&sd->defer_lock);
while (skb != NULL) {
next = skb->next;
napi_consume_skb(skb, 1);
skb = next;
}
}
static __latent_entropy void net_rx_action(struct softirq_action *h)
{
struct softnet_data *sd = this_cpu_ptr(&softnet_data);