linux-kernel - Re: [PATCH 3/6] mm: CONFIG_MMU for PG

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Message-ID: <20091111123829.GA16628@basil.fritz.box>
Date:	Wed, 11 Nov 2009 13:38:30 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Hugh Dickins <hugh.dickins@...cali.co.uk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Izik Eidus <ieidus@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Nick Piggin <npiggin@...e.de>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Andi Kleen <andi@...stfloor.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 3/6] mm: CONFIG_MMU for PG_mlocked

On Tue, Nov 10, 2009 at 09:59:23PM +0000, Hugh Dickins wrote:
> Remove three degrees of obfuscation, left over from when we had
> CONFIG_UNEVICTABLE_LRU.  MLOCK_PAGES is CONFIG_HAVE_MLOCKED_PAGE_BIT
> is CONFIG_HAVE_MLOCK is CONFIG_MMU.  rmap.o (and memory-failure.o)
> are only built when CONFIG_MMU, so don't need such conditions at all.

Thanks.  The memory-failure.c change looks good and indeeds
it's overall less confusing.
-Andi
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