netdev - Re: [PATCH] sky2: skb recycling

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

Message-ID: <18685.51303.285228.177350@robur.slu.se>
Date:	Tue, 21 Oct 2008 14:17:43 +0200
From:	Robert Olsson <robert@...ur.slu.se>
To:	Terry <hanfang@...du.com>
Cc:	Robert Olsson <Robert.Olsson@...a.slu.se>,
	Eric Dumazet <dada1@...mosbay.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Jeff Garzik <jgarzik@...ox.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] sky2: skb recycling


Terry writes:
 > Hi 
 >     yeah. In the forwarding scenario , skb recycling should boost the 
 > performance by avoiding slowpath slub alloc/free .But if  using 
 > multiqueue hardware and assigning proper  cpu affinities  could  make it 
 > always in the fastpath of slub  alloc/free, which is faster?

 For perfect setup with monotone work like forwarding you can make the skb 
 recycling a little faster.

 If you have many active NIC's and the recycling list is per device the situation
 it's probably different...

 Cheers.
						--ro
 
--
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