netdev - Re: [PATCH 2/4 net-next] tg3: provide frags as skb head

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20120430.214816.1532282721850063056.davem@davemloft.net>
Date:	Mon, 30 Apr 2012 21:48:16 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, ilpo.jarvinen@...sinki.fi,
	therbert@...gle.com, ncardwell@...gle.com,
	bhutchings@...arflare.com, mcarlson@...adcom.com,
	jeffrey.t.kirsher@...el.com, mchan@...adcom.com,
	herbert@...dor.hengli.com.au, maze@...gle.com
Subject: Re: [PATCH 2/4 net-next] tg3: provide frags as skb head

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 27 Apr 2012 12:34:49 +0200

> From: Eric Dumazet <edumazet@...gle.com>
> 
> This patch converts tg3 driver, one of our reference drivers, to use new
> build_skb() api in frag mode.
> 
> Instead of using kmalloc() to allocate the memory block that will be
> used by build_skb() as skb->head, we use a page fragment.
> 
> This is a followup of patch "net: allow skb->head to be a page fragment"
> 
> This allows GRO, TCP coalescing, and splice() to be more efficient.
> 
> Incidentally, this also removes SLUB slow path contention in kfree()
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html