netdev - Re: [PATCH] net: remove unnecessary initializations in net_dev

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Message-ID: <20140118180458.GB23364@kria>
Date:	Sat, 18 Jan 2014 19:04:58 +0100
From:	Sabrina Dubroca <sd@...asysnail.net>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH] net: remove unnecessary initializations in net_dev_init

2014-01-18, 09:40:46 -0800, Eric Dumazet wrote:
> On Sat, 2014-01-18 at 16:04 +0100, Sabrina Dubroca wrote:
> > softnet_data is set to 0 by memset, no need to initialize specific
> > fields to 0 or NULL afterwards.
> > 
> > Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
> > ---
> >  net/core/dev.c | 9 ---------
> >  1 file changed, 9 deletions(-)
> > 
> > diff --git a/net/core/dev.c b/net/core/dev.c
> > index 288df62..b57b44a2 100644
> > --- a/net/core/dev.c
> > +++ b/net/core/dev.c
> > @@ -7000,25 +7000,16 @@ static int __init net_dev_init(void)
> >  		memset(sd, 0, sizeof(*sd));
> 
> Hi Sabrina
> 
> Well, if you really want, you also can remove this memset(), percpu data
> defined as :
> 
> DEFINE_PER_CPU_ALIGNED(struct softnet_data, softnet_data);
> 
> must also be zero at boot time.
> 
> Thanks !

Okay, I'll send a v2.
Thanks!

-- 
Sabrina
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