linux-kernel - Re: [PATCCH percpu: add cpunum param in per_cpu_ptr_to

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Message-ID: <20111115144943.GJ30922@google.com>
Date:	Tue, 15 Nov 2011 06:49:43 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Dave Young <dyoung@...hat.com>
Cc:	gregkh@...e.de, cl@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCCH percpu: add cpunum param in per_cpu_ptr_to_phys

On Tue, Nov 15, 2011 at 04:36:46PM +0800, Dave Young wrote:
> per_cpu_ptr_to_phys iterate all cpu to get the phy addr
> let's leave the caller to pass the cpu number to it.
> 
> Actually in the only one user show_crash_notes,
> cpunum is provided already before calling this. 
> 
> Signed-off-by: Dave Young <dyoung@...hat.com>

Does this matter?  If it's not a performance critical path, I'd rather
keep the generic funtionality.

Thanks.

-- 
tejun
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