From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Li,Rongqing" <lirongqing@baidu.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: 答复: [PATCH][next-next][v2] netlink: avoid to allocate full skb when sending to many devices
Date: Fri, 21 Sep 2018 07:54:37 -0700 [thread overview]
Message-ID: <143e1ef8-c46e-f778-727e-df5140cf8e54@gmail.com> (raw)
In-Reply-To: <2AD939572F25A448A3AE3CAEA61328C237A41FCA@BC-MAIL-M30.internal.baidu.com>
On 09/20/2018 08:27 PM, Li,Rongqing wrote:
>
> The below change seems simple, but it increase skb allocation and
> free one time,
Seem fine to me. An extra skb_clone() for vmalloc-skb-users is absolute noise,
compared to vmalloc()vfree() cost.
Thanks.
next prev parent reply other threads:[~2018-09-21 20:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-20 8:54 [PATCH][next-next][v2] netlink: avoid to allocate full skb when sending to many devices Li RongQing
2018-09-20 13:43 ` Eric Dumazet
2018-09-20 13:51 ` Eric Dumazet
2018-09-21 3:27 ` 答复: " Li,Rongqing
2018-09-21 14:54 ` Eric Dumazet [this message]
2018-09-21 19:08 ` Cong Wang
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