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From: Jakub Kicinski <kuba@kernel.org>
To: linux@weissschuh.net
Cc: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Robert Marko <robimarko@gmail.com>
Subject: Re: [PATCH net-next] net: generalize calculation of skb extensions length
Date: Wed, 23 Aug 2023 07:53:18 -0700	[thread overview]
Message-ID: <20230823075318.4860cebc@kernel.org> (raw)
In-Reply-To: <1e1dde74-edc6-4306-9b1b-0a1b5a658b67@weissschuh.net>

On Wed, 23 Aug 2023 10:14:48 +0200 (GMT+02:00) linux@weissschuh.net
wrote:
> > Could you include more info about the compiler versions you tried
> > and maybe some objdump? We'll have to take your word for it getting
> > optimized out, would be great if we had more proof in the commit msg.
> > --
> > pw-bot: cr  
> 
> Thanks for the feedback.
> I'll send a v2 with more background soon.
> 
> On the other hand this function is only ever
> executed once, so even if it is slightly inefficient
> it shouldn't matter.

Oh you're right, somehow I thought it was for every alloc.
You can mention it's only run at init in the commit msg if 
that's easier.

  reply	other threads:[~2023-08-23 14:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-22  6:51 [PATCH net-next] net: generalize calculation of skb extensions length Thomas Weißschuh
2023-08-23  1:46 ` Jakub Kicinski
2023-08-23  8:14   ` linux
2023-08-23 14:53     ` Jakub Kicinski [this message]
2023-08-24 13:02       ` Sabrina Dubroca

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