linux-kernel - Re: [PATCH] [2/4] SLAB: Set up the l3 lists for the memory of freshly added memory

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Message-ID: <alpine.DEB.2.00.1002060147160.17897@chino.kir.corp.google.com>
Date:	Sat, 6 Feb 2010 01:47:49 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	submit@...stfloor.org, linux-kernel@...r.kernel.org,
	haicheng.li@...el.com, Pekka Enberg <penberg@...helsinki.fi>,
	linux-mm@...ck.org
Subject: Re: [PATCH] [2/4] SLAB: Set up the l3 lists for the memory of freshly
 added memory

On Sat, 6 Feb 2010, Andi Kleen wrote:

> > > +static int slab_memory_callback(struct notifier_block *self,
> > > +				unsigned long action, void *arg)
> > > +{
> > > +	struct memory_notify *mn = (struct memory_notify *)arg;
> > 
> > No cast necessary.
> 
> It's standard practice to cast void *.
> 

$ grep -r "struct memory_notify.*=" *
arch/powerpc/platforms/pseries/cmm.c:	struct memory_notify *marg = arg;
drivers/base/node.c:	struct memory_notify *mnb = arg;
drivers/net/ehea/ehea_main.c:	struct memory_notify *arg = data;
mm/ksm.c:	struct memory_notify *mn = arg;
mm/slub.c:	struct memory_notify *marg = arg;
mm/slub.c:	struct memory_notify *marg = arg;
mm/page_cgroup.c:	struct memory_notify *mn = arg;
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