Re: [PATCH v3 03/16] mm: add non-lru movable page support document

2016-04-06 Thread Minchan Kim
On Mon, Apr 04, 2016 at 03:09:22PM +0200, Vlastimil Babka wrote: > On 04/04/2016 04:25 AM, Minchan Kim wrote: > >> > >>Ah, I see, so it's designed with page lock to handle the concurrent > >>isolations etc. > >> > >>In http://marc.info/?l=linux-mm&m=143816716511904&w=2 Mel has warned > >>about doi

Re: [PATCH v3 03/16] mm: add non-lru movable page support document

2016-04-04 Thread Vlastimil Babka
On 04/04/2016 04:25 AM, Minchan Kim wrote: Ah, I see, so it's designed with page lock to handle the concurrent isolations etc. In http://marc.info/?l=linux-mm&m=143816716511904&w=2 Mel has warned about doing this in general under page_lock and suggested that each user handles concurrent calls

Re: [PATCH v3 03/16] mm: add non-lru movable page support document

2016-04-03 Thread Minchan Kim
On Fri, Apr 01, 2016 at 04:38:34PM +0200, Vlastimil Babka wrote: > On 03/30/2016 09:12 AM, Minchan Kim wrote: > >This patch describes what a subsystem should do for non-lru movable > >page supporting. > > Intentionally reading this first without studying the code to better > catch things that woul

Re: [PATCH v3 03/16] mm: add non-lru movable page support document

2016-04-01 Thread Vlastimil Babka
On 03/30/2016 09:12 AM, Minchan Kim wrote: This patch describes what a subsystem should do for non-lru movable page supporting. Intentionally reading this first without studying the code to better catch things that would seem obvious otherwise. Cc: Jonathan Corbet Signed-off-by: Minchan Ki

[PATCH v3 03/16] mm: add non-lru movable page support document

2016-03-30 Thread Minchan Kim
This patch describes what a subsystem should do for non-lru movable page supporting. Cc: Jonathan Corbet Signed-off-by: Minchan Kim --- Documentation/filesystems/vfs.txt | 11 ++- Documentation/vm/page_migration | 69 ++- 2 files changed, 78 insertions(