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

2009-10-02 Thread Mel Gorman
On Thu, Oct 01, 2009 at 02:53:11PM -0500, Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accommodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the pageblock is

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

2009-10-02 Thread Robert Jennings
* Nathan Fontenot (nf...@austin.ibm.com) wrote: Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accommodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the pageblock is

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

2009-10-02 Thread Robert Jennings
* Mel Gorman (m...@csn.ul.ie) wrote: On Thu, Oct 01, 2009 at 02:53:11PM -0500, Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accommodate memory hotplug remove. Prior to calling the memory hotplug notifier

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

2009-10-01 Thread Robert Jennings
Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accommodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the pageblock is isolated. If the migrate type is not MIGRATE_MOVABLE the isolation will not

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

2009-10-01 Thread Nathan Fontenot
Robert Jennings wrote: Memory balloon drivers can allocate a large amount of memory which is not movable but could be freed to accommodate memory hotplug remove. Prior to calling the memory hotplug notifier chain the memory in the pageblock is isolated. If the migrate type is not