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Date: Thu, 18 Jun 2009 23:49:49 +0900
From: Tejun Heo <tj@kernel.org>
MIME-Version: 1.0
Subject: Re: [this_cpu_xx V2 02/19] Introduce this_cpu_ptr() and generic this_cpu_*
 operations
References: <20090617203337.399182817@gentwo.org> <20090617203443.173725344@gentwo.org> <4A399D52.9040801@kernel.org> <4A39A680.5070405@kernel.org> <alpine.DEB.1.10.0906180953040.15556@gentwo.org>
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To: Christoph Lameter <cl@linux-foundation.org>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org, David Howells <dhowells@redhat.com>, Ingo Molnar <mingo@elte.hu>, Rusty Russell <rusty@rustcorp.com.au>, Eric Dumazet <dada1@cosmosbay.com>, davem@davemloft.net
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Christoph Lameter wrote:
> On Thu, 18 Jun 2009, Tejun Heo wrote:
> 
>> Oops, one problem.  this_cpu_ptr() should evaluate to the same type
>> pointer as input but it currently evaulates to unsigned long.
> 
> this_cpu_ptr is uses SHIFT_PERCPU_PTR which preserves the type.

Yeap, I was passing in the pointer variable instead of lvalue and was
getting type mismatch warnings.

Thanks.

-- 
tejun

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