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From: Mel Gorman <mel@csn.ul.ie>
To: Christoph Lameter <cl@linux.com>
Cc: Shaohua Li <shaohua.li@intel.com>, linux-mm@kvack.org
Subject: Re: zone state overhead
Date: Tue, 28 Sep 2010 14:51:48 +0100	[thread overview]
Message-ID: <20100928135148.GM8187@csn.ul.ie> (raw)
In-Reply-To: <alpine.DEB.2.00.1009280838540.6360@router.home>

On Tue, Sep 28, 2010 at 08:40:15AM -0500, Christoph Lameter wrote:
> On Tue, 28 Sep 2010, Mel Gorman wrote:
> 
> > Which of these is better or is there an alternative suggestion on how
> > this livelock can be avoided?
> 
> We need to run some experiments to see what is worse. Lets start by
> cutting both the stats threshold and the drift thing in half?
> 

Ok, I have no problem with that although again, I'm really not in the position
to roll patches for it right now. I don't want to get side-tracked.

> > As a heads up, I'm preparing for exams at the moment and while I'm online, I'm
> > not in the position to prototype patches and test them at the moment but can
> > review alternative proposals if people have them. I'm also out early next week.
> 
> Exams? You are finally graduating?
> 

Depends on how they go :)

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab

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  reply	other threads:[~2010-09-28 13:51 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-28  5:08 zone state overhead Shaohua Li
2010-09-28 12:39 ` Christoph Lameter
2010-09-28 13:30   ` Mel Gorman
2010-09-28 13:40     ` Christoph Lameter
2010-09-28 13:51       ` Mel Gorman [this message]
2010-09-28 14:08         ` Christoph Lameter
2010-09-29  3:02           ` Shaohua Li
2010-09-29  4:02     ` David Rientjes
2010-09-29  4:47       ` Shaohua Li
2010-09-29  5:06         ` David Rientjes
2010-09-29 10:03       ` Mel Gorman
2010-09-29 14:12         ` Christoph Lameter
2010-09-29 14:17           ` Mel Gorman
2010-09-29 14:34             ` Christoph Lameter
2010-09-29 14:41               ` Mel Gorman
2010-09-29 14:45                 ` Mel Gorman
2010-09-29 14:54                   ` Christoph Lameter
2010-09-29 14:52                 ` Christoph Lameter
2010-09-29 19:44         ` David Rientjes
2010-10-08 15:29 ` Mel Gorman
2010-10-09  0:58   ` Shaohua Li
2010-10-11  8:56     ` Mel Gorman
2010-10-12  1:05       ` Shaohua Li
2010-10-12 16:25         ` Mel Gorman
2010-10-13  2:41           ` Shaohua Li
2010-10-13 12:09             ` Mel Gorman
2010-10-13  3:36           ` KOSAKI Motohiro
2010-10-13  6:25             ` [RFC][PATCH 0/3] mm: reserve max drift pages at boot time instead using zone_page_state_snapshot() KOSAKI Motohiro
2010-10-13  6:27               ` [RFC][PATCH 1/3] mm, mem-hotplug: recalculate lowmem_reserve when memory hotplug occur KOSAKI Motohiro
2010-10-13  6:39                 ` KAMEZAWA Hiroyuki
2010-10-13 12:59                 ` Mel Gorman
2010-10-14  2:44                   ` KOSAKI Motohiro
2010-10-13  6:28               ` [RFC][PATCH 2/3] mm: update pcp->stat_threshold " KOSAKI Motohiro
2010-10-13  6:40                 ` KAMEZAWA Hiroyuki
2010-10-13 13:02                 ` Mel Gorman
2010-10-13  6:32               ` [RFC][PATCH 3/3] mm: reserve max drift pages at boot time instead using zone_page_state_snapshot() KOSAKI Motohiro
2010-10-13 13:19                 ` Mel Gorman
2010-10-14  2:39                   ` KOSAKI Motohiro
2010-10-18 10:43                     ` Mel Gorman
2010-10-13  7:10               ` [experimental][PATCH] mm,vmstat: per cpu stat flush too when per cpu page cache flushed KOSAKI Motohiro
2010-10-13  7:16                 ` KAMEZAWA Hiroyuki
2010-10-13 13:22                 ` Mel Gorman
2010-10-14  2:50                   ` KOSAKI Motohiro
2010-10-15 17:31                     ` Christoph Lameter
2010-10-18  9:27                       ` KOSAKI Motohiro
2010-10-18 15:44                         ` Christoph Lameter
2010-10-19  1:10                           ` KOSAKI Motohiro
2010-10-18 11:08                     ` Mel Gorman
2010-10-19  1:34                       ` KOSAKI Motohiro
2010-10-19  9:06                         ` Mel Gorman
2010-10-18 15:51                 ` Christoph Lameter
2010-10-19  0:43                   ` KOSAKI Motohiro
2010-10-13 11:24             ` zone state overhead Mel Gorman
2010-10-14  3:07               ` KOSAKI Motohiro
2010-10-18 10:39                 ` Mel Gorman
2010-10-19  1:16                   ` KOSAKI Motohiro
2010-10-19  9:08                     ` Mel Gorman
2010-10-22 14:12                       ` Mel Gorman
2010-10-22 15:23                         ` Christoph Lameter
2010-10-22 18:45                           ` Mel Gorman
2010-10-22 15:27                         ` Christoph Lameter
2010-10-22 18:46                           ` Mel Gorman
2010-10-22 20:01                             ` Christoph Lameter
2010-10-25  4:46                         ` KOSAKI Motohiro
2010-10-27  8:19                           ` Mel Gorman

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