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From: Nigel Cunningham <ncunningham@crca.org.au>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Wu Fengguang <fengguang.wu@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: No more bits in vm_area_struct's vm_flags.
Date: Tue, 29 Sep 2009 07:22:10 +1000	[thread overview]
Message-ID: <4AC12902.2040608@crca.org.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0909282134100.11529@sister.anvils>

Hi.

Hugh Dickins wrote:
> On Tue, 29 Sep 2009, KAMEZAWA Hiroyuki wrote:
> unsigned long long is certainly the natural choice: that way leaves
> freedom for people to add more flags in future without worrying about
> which flags variable to put them into.  I'd better explain some of my
> objections to Nigel's patch in a reply to him rather than here.

I'd prefer long long too if it's feasible. I'm just not an expert on the
issues, and so went in the direction I was pushed :) It looks a lot
cleaner and simpler to me, too, to keep everything in one variable.

Regards,

Nigel

WARNING: multiple messages have this Message-ID (diff)
From: Nigel Cunningham <ncunningham@crca.org.au>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Wu Fengguang <fengguang.wu@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: No more bits in vm_area_struct's vm_flags.
Date: Tue, 29 Sep 2009 07:22:10 +1000	[thread overview]
Message-ID: <4AC12902.2040608@crca.org.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0909282134100.11529@sister.anvils>

Hi.

Hugh Dickins wrote:
> On Tue, 29 Sep 2009, KAMEZAWA Hiroyuki wrote:
> unsigned long long is certainly the natural choice: that way leaves
> freedom for people to add more flags in future without worrying about
> which flags variable to put them into.  I'd better explain some of my
> objections to Nigel's patch in a reply to him rather than here.

I'd prefer long long too if it's feasible. I'm just not an expert on the
issues, and so went in the direction I was pushed :) It looks a lot
cleaner and simpler to me, too, to keep everything in one variable.

Regards,

Nigel

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  reply	other threads:[~2009-09-28 21:21 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-23  4:15 No more bits in vm_area_struct's vm_flags Nigel Cunningham
2009-09-23 20:23 ` Hugh Dickins
2009-09-23 20:23   ` Hugh Dickins
2009-09-25  8:30   ` Nigel Cunningham
2009-09-25  8:30     ` Nigel Cunningham
2009-09-25 11:36     ` Hugh Dickins
2009-09-25 11:36       ` Hugh Dickins
2009-09-25 11:47       ` Nigel Cunningham
2009-09-25 11:47         ` Nigel Cunningham
2009-09-30 12:02     ` Pavel Machek
2009-09-30 12:02       ` Pavel Machek
2009-09-30 13:08       ` swsusp on nommu, was 'Re: No more bits in vm_area_struct's vm_flags.' Johannes Weiner
2009-09-30 13:08         ` Johannes Weiner
2009-09-30 16:06         ` Mike Frysinger
2009-09-30 16:06           ` Mike Frysinger
2009-09-24  1:05 ` No more bits in vm_area_struct's vm_flags KAMEZAWA Hiroyuki
2009-09-24  1:05   ` KAMEZAWA Hiroyuki
2009-09-25  8:34   ` Nigel Cunningham
2009-09-25  8:34     ` Nigel Cunningham
2009-09-25  8:40     ` KAMEZAWA Hiroyuki
2009-09-25  8:40       ` KAMEZAWA Hiroyuki
2009-09-25  8:48       ` Nigel Cunningham
2009-09-25  8:48         ` Nigel Cunningham
2009-09-25 21:09         ` Joerg Roedel
2009-09-25 21:09           ` Joerg Roedel
2009-09-28  2:45       ` Nigel Cunningham
2009-09-28  2:45         ` Nigel Cunningham
2009-09-28  3:04         ` KAMEZAWA Hiroyuki
2009-09-28  3:04           ` KAMEZAWA Hiroyuki
2009-09-28  3:36           ` Wu Fengguang
2009-09-28  3:36             ` Wu Fengguang
2009-09-28  3:57             ` KAMEZAWA Hiroyuki
2009-09-28  3:57               ` KAMEZAWA Hiroyuki
2009-09-28  4:37               ` Nigel Cunningham
2009-09-28  4:37                 ` Nigel Cunningham
2009-09-28  4:51                 ` Wu Fengguang
2009-09-28  4:51                   ` Wu Fengguang
2009-09-28  4:53                 ` KAMEZAWA Hiroyuki
2009-09-28  4:53                   ` KAMEZAWA Hiroyuki
2009-09-28  5:22                   ` Nigel Cunningham
2009-09-28  5:22                     ` Nigel Cunningham
2009-09-28  5:32                     ` KAMEZAWA Hiroyuki
2009-09-28  5:32                       ` KAMEZAWA Hiroyuki
2009-09-28 21:21                 ` Hugh Dickins
2009-09-28 21:21                   ` Hugh Dickins
2009-09-28 21:33                   ` Nigel Cunningham
2009-09-28 21:33                     ` Nigel Cunningham
2009-09-28 15:38               ` Hugh Dickins
2009-09-28 15:38                 ` Hugh Dickins
2009-09-28 16:14                 ` KAMEZAWA Hiroyuki
2009-09-28 16:14                   ` KAMEZAWA Hiroyuki
2009-09-28 21:00                   ` Hugh Dickins
2009-09-28 21:00                     ` Hugh Dickins
2009-09-28 21:22                     ` Nigel Cunningham [this message]
2009-09-28 21:22                       ` Nigel Cunningham
2009-09-29  1:57                     ` KAMEZAWA Hiroyuki
2009-09-29  1:57                       ` KAMEZAWA Hiroyuki
2009-09-29 14:22                       ` Christoph Lameter
2009-09-29 14:22                         ` Christoph Lameter
2009-10-01 10:54                         ` Hugh Dickins
2009-10-01 10:54                           ` Hugh Dickins
2009-10-01 13:47                           ` Christoph Lameter
2009-10-01 13:47                             ` Christoph Lameter
2009-10-01 11:38                       ` Hugh Dickins
2009-10-01 11:38                         ` Hugh Dickins
2009-10-02  0:42                         ` KAMEZAWA Hiroyuki
2009-10-02  0:42                           ` KAMEZAWA Hiroyuki
2009-10-02  1:37                           ` KAMEZAWA Hiroyuki
2009-10-02  1:37                             ` KAMEZAWA Hiroyuki
2009-10-02  2:39                             ` KAMEZAWA Hiroyuki
2009-10-02  2:39                               ` KAMEZAWA Hiroyuki

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