linux-kernel - Re: [PATCH] Kconfig: CONFIG_UNEVICTABLE

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Message-ID: <28c262360905130441q8c904faq1d3e5152fada7a85@mail.gmail.com>
Date:	Wed, 13 May 2009 20:41:21 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Minchan@...stfloor.org
Subject: Re: [PATCH] Kconfig: CONFIG_UNEVICTABLE_LRU move into EMBEDDED 
	submenu

Hi, Andi.

On Wed, May 13, 2009 at 8:38 PM, Andi Kleen <andi@...stfloor.org> wrote:
>> In past days, I proposed this. but Minchan found this config bloat kernel 7kb
>> and he claim embedded guys should have selectable chance. I agreed it.
>
> Well there's lots of code in the kernel and 7k doesn't seem worth bothering.
> If you just save two pages of memory somewhere you can save more.
>
>> Is this enough explanation?
>
> It's not a very good one.
>
> I would propose to just remove it or at least hide it completely
> and only make it dependent on CONFIG_MMU inside Kconfig.

I thought this feature don't have a big impact on embedded.
At First, 7K is not important but as time goes by, it could be huge
with very small size feature for server or desktop.

So I wanted to add it with optionally. :)

In future, embedded also have a big ram then we can remove optional
config completely, I think.


> -Andi
>
> --
> ak@...ux.intel.com -- Speaking for myself only.
>
> --
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-- 
Kinds regards,
Minchan Kim
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