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From: Christoph Lameter <clameter@sgi.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Paul Jackson <pj@sgi.com>,
	Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
	Andi Kleen <ak@suse.de>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch 1/6] mempolicy: convert MPOL constants to enum
Date: Wed, 27 Feb 2008 11:35:26 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0802271134150.1790@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <alpine.DEB.1.00.0802250012420.12368@chino.kir.corp.google.com>

On Mon, 25 Feb 2008, David Rientjes wrote:

>  struct mempolicy {
>  	atomic_t refcnt;
> -	short policy; 	/* See MPOL_* above */
> +	unsigned short policy; 	/* See MPOL_* above */

The point here is to have a 16 bit value? There are no space savins due to 
the alignment requirement of the union. Isnt it possible to use the enum 
here? If not then what is the point of the enum?


  parent reply	other threads:[~2008-02-27 19:35 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-25 15:35 David Rientjes
2008-02-25 15:35 ` [patch 2/6] mempolicy: support optional mode flags David Rientjes
2008-02-25 15:35   ` [patch 3/6] mempolicy: add MPOL_F_STATIC_NODES flag David Rientjes
2008-02-25 15:35     ` [patch 4/6] mempolicy: add bitmap_onto() and bitmap_fold() operations David Rientjes
2008-02-25 15:35       ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag David Rientjes
2008-02-25 15:35         ` [patch 6/6] mempolicy: update NUMA memory policy documentation David Rientjes
2008-02-26 17:34           ` Paul Jackson
2008-02-26 21:23             ` David Rientjes
2008-02-26  6:12         ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag Paul Jackson
2008-02-26  6:45           ` David Rientjes
2008-02-26 17:44         ` Paul Jackson
2008-02-26 21:17           ` David Rientjes
2008-02-26 21:30             ` Paul Jackson
2008-02-26 21:27           ` Lee Schermerhorn
2008-02-27  1:17         ` David Rientjes
2008-02-27  1:31           ` David Rientjes
2008-02-27  2:30           ` Paul Jackson
2008-02-27 15:37           ` Lee Schermerhorn
2008-02-27 17:09             ` Paul Jackson
2008-02-28 21:08             ` David Rientjes
2008-02-26  5:46     ` [patch 3/6] mempolicy: add MPOL_F_STATIC_NODES flag Paul Jackson
2008-02-26  6:53       ` David Rientjes
2008-02-26 17:56     ` Paul Jackson
2008-02-26 21:02       ` David Rientjes
2008-02-26 21:32         ` Lee Schermerhorn
2008-02-26 21:54           ` David Rientjes
2008-02-26 22:08             ` Paul Jackson
2008-02-26 21:39         ` Paul Jackson
2008-02-26  3:20 ` [patch 1/6] mempolicy: convert MPOL constants to enum Paul Jackson
2008-02-26  3:35   ` David Rientjes
2008-02-26  4:02     ` Paul Jackson
2008-02-26  4:21       ` David Rientjes
2008-02-26  4:46         ` Paul Jackson
2008-02-27 19:35 ` Christoph Lameter [this message]
2008-02-27 19:59   ` David Rientjes
2008-03-01  0:44 David Rientjes
2008-03-03  7:17 ` Andrew Morton

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