netdev - Re: net-scm: Delete an unnecessary check before the function call "kfree"

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Message-ID: <564B6C6F.3070809@users.sourceforge.net>
Date:	Tue, 17 Nov 2015 19:05:35 +0100
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>, eric.dumazet@...il.com
Subject: Re: net-scm: Delete an unnecessary check before the function call
 "kfree"

> Eric already mentioned that in some situations where it's critical,
> it actually slows down the code, i.e. you'll have an extra
> function call to get there and inside kfree() / kfree_skb() / etc,
> the test is actually marked as unlikely().

How do you think about to add similar annotations to any more
source code places?

Regards,
Markus
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