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Re: [PATCH] Avoid gettimeofday when not needed

To: Andi Kleen <ak@xxxxxx>
Subject: Re: [PATCH] Avoid gettimeofday when not needed
From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Date: Wed, 31 Mar 2004 09:30:02 -0800
Cc: Ville Nuorvala <vnuorval@xxxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <>
Organization: Candela Technologies
References: <> <> <> <> <>
Sender: netdev-bounce@xxxxxxxxxxx
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Andi Kleen wrote:
On Wed, Mar 31, 2004 at 05:24:47PM +0300, Ville Nuorvala wrote:

There just doesn't seem to be any general flag field in sk_buff that we
might use at this moment. Should one be added, or should we just hide the
flag inside the cb field using the likes of inet_skb_parm and

There are no free bits indeed. I think ->cb is the best choice then.

Why not add a 32-bit field to the skb to handle various flag needs going forward?

If space is very important, could use an uint16 for flags and consolidate
the ip_summed and cloned fields, which seem to be boolean fields.

        unsigned char           local_df,

Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc

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