* [PATCH] net: export symnbol for skb_attempt_defer_free
@ 2025-09-01 18:16 John Ousterhout
2025-09-01 18:44 ` Jakub Kicinski
0 siblings, 1 reply; 3+ messages in thread
From: John Ousterhout @ 2025-09-01 18:16 UTC (permalink / raw)
To: netdev; +Cc: pabeni, edumazet, horms, kuba, John Ousterhout
This function is useful for modules such as Homa but is not
currently visible.
Signed-off-by: John Ousterhout <ouster@cs.stanford.edu>
---
net/core/skbuff.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9153a6ba0fcb..4aaebff26f50 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -7255,6 +7255,7 @@ nodefer: kfree_skb_napi_cache(skb);
if (unlikely(kick))
kick_defer_list_purge(sd, cpu);
}
+EXPORT_SYMBOL(skb_attempt_defer_free);
static void skb_splice_csum_page(struct sk_buff *skb, struct page *page,
size_t offset, size_t len)
--
2.43.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] net: export symnbol for skb_attempt_defer_free
2025-09-01 18:16 [PATCH] net: export symnbol for skb_attempt_defer_free John Ousterhout
@ 2025-09-01 18:44 ` Jakub Kicinski
2025-09-01 18:55 ` Eric Dumazet
0 siblings, 1 reply; 3+ messages in thread
From: Jakub Kicinski @ 2025-09-01 18:44 UTC (permalink / raw)
To: John Ousterhout; +Cc: netdev, pabeni, edumazet, horms
On Mon, 1 Sep 2025 11:16:23 -0700 John Ousterhout wrote:
> This function is useful for modules such as Homa but is not
> currently visible.
It has to be part of the series which contains an in tree user.
We only export symbols for in-tree modules.
--
pw-bot: cr
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] net: export symnbol for skb_attempt_defer_free
2025-09-01 18:44 ` Jakub Kicinski
@ 2025-09-01 18:55 ` Eric Dumazet
0 siblings, 0 replies; 3+ messages in thread
From: Eric Dumazet @ 2025-09-01 18:55 UTC (permalink / raw)
To: Jakub Kicinski; +Cc: John Ousterhout, netdev, pabeni, horms
On Mon, Sep 1, 2025 at 11:44 AM Jakub Kicinski <kuba@kernel.org> wrote:
>
> On Mon, 1 Sep 2025 11:16:23 -0700 John Ousterhout wrote:
> > This function is useful for modules such as Homa but is not
> > currently visible.
>
> It has to be part of the series which contains an in tree user.
> We only export symbols for in-tree modules.
Also if homa does not have yet GRO support, I doubt
skb_attempt_defer_free() is a big win.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2025-09-01 18:44 ` Jakub Kicinski
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