linux-kernel - Re: [PATCH] Allow NULL pointers in percpu

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Message-Id: <1163785653.3097.9.camel@localhost.localdomain>
Date:	Fri, 17 Nov 2006 09:47:33 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Andrew Morton <akpm@...l.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Jens Axboe <axboe@...nel.dk>,
	Christoph Lameter <clameter@....com>,
	Pedro Roque <roque@...fc.ul.pt>,
	"David S. Miller" <davem@...emloft.net>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Allow NULL pointers in percpu_free

On Fri, 2006-11-17 at 12:36 -0500, Alan Stern wrote:

>  void percpu_free(void *__pdata)
>  {
> +	if (!__pdata)
> +		return;

Should be unlikely() right?

Daniel

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