Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-13 Thread Robert Jennings
On Fri, Oct 09, 2009 at 21:43:26 +0100, Mal Gorman wrote: As you have tested this recently, would you be willing to post the results? While it's not a requirement of the patch, it would be nice to have an idea of how the effectiveness of memory hot-remove is improved when used with the powerpc

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-09 Thread Mel Gorman
On Fri, Oct 02, 2009 at 01:44:58PM -0500, Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the pageblock is

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-09 Thread Robert Jennings
* KAMEZAWA Hiroyuki (kamezawa.hir...@jp.fujitsu.com) wrote: On Fri, 2 Oct 2009 13:44:58 -0500 Robert Jennings r...@linux.vnet.ibm.com wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-09 Thread Robert Jennings
* Mel Gorman (m...@csn.ul.ie) wrote: On Fri, Oct 02, 2009 at 01:44:58PM -0500, Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior to calling the memory hotplug notifier

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-09 Thread Robert Jennings
* Andrew Morton (a...@linux-foundation.org) wrote: On Fri, 2 Oct 2009 13:44:58 -0500 Robert Jennings r...@linux.vnet.ibm.com wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior to

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-09 Thread Mel Gorman
On Fri, Oct 09, 2009 at 03:23:04PM -0500, Robert Jennings wrote: * Andrew Morton (a...@linux-foundation.org) wrote: On Fri, 2 Oct 2009 13:44:58 -0500 Robert Jennings r...@linux.vnet.ibm.com wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-08 Thread Andrew Morton
On Fri, 2 Oct 2009 13:44:58 -0500 Robert Jennings r...@linux.vnet.ibm.com wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the

Re: [PATCH 1/2][v2] mm: add notifier in pageblock isolation for balloon drivers

2009-10-08 Thread KAMEZAWA Hiroyuki
On Fri, 2 Oct 2009 13:44:58 -0500 Robert Jennings r...@linux.vnet.ibm.com wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accomodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the