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From: Andi Kleen <andi@firstfloor.org>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Izik Eidus <ieidus@redhat.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Nick Piggin <npiggin@suse.de>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Rik van Riel <riel@redhat.com>,
	Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
	Andi Kleen <andi@firstfloor.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 3/6] mm: CONFIG_MMU for PG_mlocked
Date: Wed, 11 Nov 2009 13:38:30 +0100	[thread overview]
Message-ID: <20091111123829.GA16628@basil.fritz.box> (raw)
In-Reply-To: <Pine.LNX.4.64.0911102155180.2816@sister.anvils>

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

WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Izik Eidus <ieidus@redhat.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Nick Piggin <npiggin@suse.de>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Rik van Riel <riel@redhat.com>,
	Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
	Andi Kleen <andi@firstfloor.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 3/6] mm: CONFIG_MMU for PG_mlocked
Date: Wed, 11 Nov 2009 13:38:30 +0100	[thread overview]
Message-ID: <20091111123829.GA16628@basil.fritz.box> (raw)
In-Reply-To: <Pine.LNX.4.64.0911102155180.2816@sister.anvils>

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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  parent reply	other threads:[~2009-11-11 12:38 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-10 21:50 [PATCH 0/6] mm: prepare for ksm swapping Hugh Dickins
2009-11-10 21:50 ` Hugh Dickins
2009-11-10 21:51 ` [PATCH 1/6] mm: define PAGE_MAPPING_FLAGS Hugh Dickins
2009-11-10 21:51   ` Hugh Dickins
2009-11-19  0:25   ` Rik van Riel
2009-11-19  0:25     ` Rik van Riel
2009-11-10 21:55 ` [PATCH 2/6] mm: mlocking in try_to_unmap_one Hugh Dickins
2009-11-10 21:55   ` Hugh Dickins
2009-11-11  7:56   ` KOSAKI Motohiro
2009-11-11  7:56     ` KOSAKI Motohiro
2009-11-11 11:36     ` Hugh Dickins
2009-11-11 11:36       ` Hugh Dickins
2009-11-13  8:16       ` KOSAKI Motohiro
2009-11-13  8:16         ` KOSAKI Motohiro
2009-11-13  8:26         ` KOSAKI Motohiro
2009-11-13  8:26           ` KOSAKI Motohiro
2009-11-13 11:50           ` Andrea Arcangeli
2009-11-13 11:50             ` Andrea Arcangeli
2009-11-13 18:00             ` KOSAKI Motohiro
2009-11-13 18:00               ` KOSAKI Motohiro
2009-11-15 22:37         ` Hugh Dickins
2009-11-15 22:37           ` Hugh Dickins
2009-11-17  2:00           ` KOSAKI Motohiro
2009-11-17  2:00             ` KOSAKI Motohiro
2009-11-18 16:32             ` Hugh Dickins
2009-11-18 16:32               ` Hugh Dickins
2009-11-13  6:30   ` KOSAKI Motohiro
2009-11-13  6:30     ` KOSAKI Motohiro
2009-11-15 22:16     ` Hugh Dickins
2009-11-15 22:16       ` Hugh Dickins
2009-11-16 23:34       ` KOSAKI Motohiro
2009-11-16 23:34         ` KOSAKI Motohiro
2009-11-10 21:59 ` [PATCH 3/6] mm: CONFIG_MMU for PG_mlocked Hugh Dickins
2009-11-10 21:59   ` Hugh Dickins
2009-11-11  1:22   ` KOSAKI Motohiro
2009-11-11  1:22     ` KOSAKI Motohiro
2009-11-11 10:48     ` Hugh Dickins
2009-11-11 10:48       ` Hugh Dickins
2009-11-11 12:38   ` Andi Kleen [this message]
2009-11-11 12:38     ` Andi Kleen
2009-11-10 22:00 ` [PATCH 4/6] mm: pass address down to rmap ones Hugh Dickins
2009-11-10 22:00   ` Hugh Dickins
2009-11-10 22:02 ` [PATCH 5/6] mm: stop ptlock enlarging struct page Hugh Dickins
2009-11-10 22:02   ` Hugh Dickins
2009-11-10 22:09   ` Peter Zijlstra
2009-11-10 22:09     ` Peter Zijlstra
2009-11-10 22:24     ` Hugh Dickins
2009-11-10 22:24       ` Hugh Dickins
2009-11-10 22:14   ` Peter Zijlstra
2009-11-10 22:14     ` Peter Zijlstra
2009-11-10 22:29     ` Hugh Dickins
2009-11-10 22:29       ` Hugh Dickins
2009-11-10 22:06 ` [PATCH 6/6] mm: sigbus instead of abusing oom Hugh Dickins
2009-11-10 22:06   ` Hugh Dickins
2009-11-11  2:37   ` KAMEZAWA Hiroyuki
2009-11-11  2:37     ` KAMEZAWA Hiroyuki
2009-11-11  2:42     ` KOSAKI Motohiro
2009-11-11  2:42       ` KOSAKI Motohiro
2009-11-11  4:35       ` Wu Fengguang
2009-11-11  4:35         ` Wu Fengguang
2009-11-11  5:51   ` Minchan Kim
2009-11-11  5:51     ` Minchan Kim

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