linux-kernel - Re: [this_cpu_xx V8 07/16] Module handling: Use this_cpu

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Message-ID: <4B300C97.40409@kernel.org>
Date:	Tue, 22 Dec 2009 09:02:31 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [this_cpu_xx V8 07/16] Module handling: Use this_cpu_xx to dynamically
 allocate counters

On 12/22/2009 08:28 AM, Rusty Russell wrote:
> On Mon, 21 Dec 2009 06:29:36 pm Tejun Heo wrote:
>> @@ -555,6 +556,7 @@ static void module_unload_free(struct module *mod)
>>  				kfree(use);
>>  				sysfs_remove_link(i->holders_dir, mod->name);
>>  				/* There can be at most one match. */
>> +				free_percpu(i->refptr);
>>  				break;
>>  			}
>>  		}
> 
> This looks very wrong.

Indeed, thanks for spotting it.  Christoph, I'm rolling back all
patches from this series.  Please re-post with updates.

Thanks.

-- 
tejun
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