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

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Message-ID: <CAOS58YNk8fymqknAz2autsZF=AFsG0KOef3kAC=avUJiKVPuag@mail.gmail.com>
Date:	Tue, 15 Nov 2011 17:25:51 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	Dave Young <dyoung@...hat.com>, 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

Hello,

On Tue, Nov 15, 2011 at 5:15 PM, Dave Young <hidave.darkstar@...il.com> wrote:
>> Does this matter?  If it's not a performance critical path, I'd rather
>> keep the generic funtionality.
>
> Hi, why not? the code is redundant, it's an improvement of the code, isn't it?
> Also, kernel code size will be smaller.

(scratching head...) Ummm... I'm not sure whether it's an improvement
or not. The contest is between loss of currently unused functionality
and meaningless optimization. I vote for status quo.

Thanks.

-- 
tejun
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