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From: patchwork-bot+netdevbpf@kernel.org
To: Hyunwoo Kim <imv4bel@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, horms@kernel.org, kerneljasonxing@gmail.com,
	kuniyu@google.com, mhal@rbox.co, jiayuan.chen@linux.dev,
	steffen.klassert@secunet.com, ben@decadent.org.uk,
	herbert@gondor.apana.org.au, dsahern@kernel.org,
	sultan@kerneltoast.com, sd@queasysnail.net, malin89@huawei.com,
	tanjingguo@huawei.com, aaron1esau@gmail.com,
	netdev@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers
Date: Thu, 21 May 2026 09:50:05 +0000	[thread overview]
Message-ID: <177935700540.4004798.18308856421484516932.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <ageeJfJHwgzmKXbh@v4bel>

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Sat, 16 May 2026 07:28:53 +0900 you wrote:
> Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail
> to propagate the SKBFL_SHARED_FRAG bit in skb_shinfo()->flags when
> moving frags from source to destination.  __pskb_copy_fclone() defers
> the rest of the shinfo metadata to skb_copy_header() after copying
> frag descriptors, but that helper only carries over gso_{size,segs,
> type} and never touches skb_shinfo()->flags; skb_shift() moves frag
> descriptors directly and leaves flags untouched.  As a result, the
> destination skb keeps a reference to the same externally-owned or
> page-cache-backed pages while reporting skb_has_shared_frag() as
> false.
> 
> [...]

Here is the summary with links:
  - [net,v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers
    https://git.kernel.org/netdev/net/c/48f6a5356a33

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-05-21  9:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-15 22:28 [PATCH net v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers Hyunwoo Kim
2026-05-19  4:02 ` Rajat Gupta
2026-05-19  6:45   ` Hyunwoo Kim
2026-05-19  6:57     ` Hyunwoo Kim
2026-05-21  9:50 ` patchwork-bot+netdevbpf [this message]

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