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From: reinette chatre <reinette.chatre@intel.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Frans Pop <elendil@planet.nl>,
	Larry Finger <Larry.Finger@lwfinger.net>,
	"John W. Linville" <linville@tuxdriver.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"ipw3945-devel@lists.sourceforge.net"
	<ipw3945-devel@lists.sourceforge.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	"cl@linux-foundation.org" <cl@linux-foundation.org>,
	"Krauss, Assaf" <assaf.krauss@intel.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	"Abbas, Mohamed" <mohamed.abbas@intel.com>
Subject: Re: iwlagn: order 2 page allocation failures
Date: Thu, 10 Sep 2009 14:14:50 -0700	[thread overview]
Message-ID: <1252617290.30150.321.camel@rc-desk> (raw)
In-Reply-To: <20090910090206.GA22276@csn.ul.ie>

On Thu, 2009-09-10 at 02:02 -0700, Mel Gorman wrote:

> 
> As a total aside, there is still the problem that the driver is depending on
> order-2 allocations. On systems without swap, the allocation problem could be
> more severe as there are fewer pages the system can use to regain contiguity.

I looked more at the implementation and hardware interface but I do not
see a way around this. We have to provide 8k buffer to device, and we
have to make sure it is aligned. 

Do you have any suggestions?

Reinette


  parent reply	other threads:[~2009-09-10 21:14 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-06  7:40 iwlagn: order 2 page allocation failures Frans Pop
2009-09-06  8:14 ` Pekka Enberg
2009-09-06  8:28   ` Frans Pop
2009-09-06  8:35     ` Pekka Enberg
2009-09-08 10:54       ` Mel Gorman
2009-09-08 11:11         ` Pekka Enberg
2009-09-08 14:17           ` John W. Linville
2009-09-08 14:59             ` Larry Finger
2009-09-09 15:04               ` Mel Gorman
2009-09-09 15:59                 ` Frans Pop
2009-09-09 16:55                   ` Mel Gorman
2009-09-09 17:19                     ` Frans Pop
2009-09-16 14:36                       ` Frans Pop
2009-09-16 15:02                         ` Mel Gorman
2009-09-16 15:37                           ` Frans Pop
2009-09-16 16:26                           ` reinette chatre
2009-09-09 20:05                     ` reinette chatre
2009-09-10  1:48                       ` Frans Pop
2009-09-10  9:02                       ` Mel Gorman
2009-09-10 18:15                         ` reinette chatre
2009-09-10 18:43                           ` Frans Pop
2009-09-10 18:50                             ` reinette chatre
2009-09-11  8:45                           ` Mel Gorman
2009-09-11 16:14                             ` reinette chatre
2009-09-10 21:14                         ` reinette chatre [this message]
2009-09-11  8:47                           ` Mel Gorman
2009-09-14  3:01                             ` Zhu Yi
2009-09-14 13:06                               ` Mel Gorman
2009-09-15  8:30                                 ` alloc skb based on a given data buffer Zhu Yi
2009-09-15  8:33                                   ` David Miller
2009-09-15  8:57                                     ` Zhu Yi
2009-09-15  9:09                                       ` David Miller
2009-09-15  9:15                                         ` Zhu Yi
2009-09-15 15:30                                           ` Johannes Berg
2009-09-15 21:16                                             ` David Miller
2009-09-19  5:56                                               ` Johannes Berg
2009-09-14 15:42                               ` iwlagn: order 2 page allocation failures Christoph Lameter
2009-09-14 17:59                                 ` Mel Gorman
2009-09-14 18:04                                   ` Christoph Lameter
2009-09-10  8:18                     ` Pekka Enberg
2009-09-10 12:34                       ` Mel Gorman
2009-09-10 12:39                         ` Pekka Enberg
2009-09-10 12:58                           ` Mel Gorman

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