Re: [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Krzysztof Kozlowski
On wto, 2013-08-06 at 17:16 +0800, Bob Liu wrote: > On 08/06/2013 02:42 PM, Krzysztof Kozlowski wrote: > > This reclaim process is different than zbud_reclaim_page(). It acts more > > like swapoff() by trying to unuse pages stored in zbud page and bring > > them back to memory. The standard

Re: [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Bob Liu
On 08/06/2013 02:42 PM, Krzysztof Kozlowski wrote: > Hi, > > Currently zbud pages are not movable and they cannot be allocated from CMA > region. These patches try to address the problem by: > 1. Adding a new form of reclaim of zbud pages. > 2. Reclaiming zbud pages during migration and

[RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Krzysztof Kozlowski
Hi, Currently zbud pages are not movable and they cannot be allocated from CMA region. These patches try to address the problem by: 1. Adding a new form of reclaim of zbud pages. 2. Reclaiming zbud pages during migration and compaction. 3. Allocating zbud pages with __GFP_RECLAIMABLE flag. This

[RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Krzysztof Kozlowski
Hi, Currently zbud pages are not movable and they cannot be allocated from CMA region. These patches try to address the problem by: 1. Adding a new form of reclaim of zbud pages. 2. Reclaiming zbud pages during migration and compaction. 3. Allocating zbud pages with __GFP_RECLAIMABLE flag. This

Re: [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Bob Liu
On 08/06/2013 02:42 PM, Krzysztof Kozlowski wrote: Hi, Currently zbud pages are not movable and they cannot be allocated from CMA region. These patches try to address the problem by: 1. Adding a new form of reclaim of zbud pages. 2. Reclaiming zbud pages during migration and compaction. 3.

Re: [RFC PATCH 0/4] mm: reclaim zbud pages on migration and compaction

2013-08-06 Thread Krzysztof Kozlowski
On wto, 2013-08-06 at 17:16 +0800, Bob Liu wrote: On 08/06/2013 02:42 PM, Krzysztof Kozlowski wrote: This reclaim process is different than zbud_reclaim_page(). It acts more like swapoff() by trying to unuse pages stored in zbud page and bring them back to memory. The standard