Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-09 Thread Johannes Weiner
On Thu, Jun 09, 2016 at 02:18:02PM +0200, Michal Hocko wrote: > On Wed 08-06-16 12:16:05, Johannes Weiner wrote: > > On Wed, Jun 08, 2016 at 02:51:37PM +0200, Michal Hocko wrote: > > > On Mon 06-06-16 15:48:33, Johannes Weiner wrote: > > > > Rename struct zone_reclaim_stat to struct lru_cost, and m

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-09 Thread Michal Hocko
On Wed 08-06-16 12:16:05, Johannes Weiner wrote: > On Wed, Jun 08, 2016 at 02:51:37PM +0200, Michal Hocko wrote: > > On Mon 06-06-16 15:48:33, Johannes Weiner wrote: > > > Rename struct zone_reclaim_stat to struct lru_cost, and move from two > > > separate value ratios for the LRU lists to a relati

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-08 Thread Johannes Weiner
On Wed, Jun 08, 2016 at 02:51:37PM +0200, Michal Hocko wrote: > On Mon 06-06-16 15:48:33, Johannes Weiner wrote: > > Rename struct zone_reclaim_stat to struct lru_cost, and move from two > > separate value ratios for the LRU lists to a relative LRU cost metric > > with a shared denominator. > > I

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-08 Thread Johannes Weiner
On Wed, Jun 08, 2016 at 05:14:21PM +0900, Minchan Kim wrote: > On Mon, Jun 06, 2016 at 03:48:33PM -0400, Johannes Weiner wrote: > > @@ -249,15 +249,10 @@ void rotate_reclaimable_page(struct page *page) > > } > > } > > > > -static void update_page_reclaim_stat(struct lruvec *lruvec, > > -

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-08 Thread Michal Hocko
On Mon 06-06-16 15:48:33, Johannes Weiner wrote: > Currently, scan pressure between the anon and file LRU lists is > balanced based on a mixture of reclaim efficiency and a somewhat vague > notion of "value" of having certain pages in memory over others. That > concept of value is problematic, beca

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-08 Thread Minchan Kim
On Mon, Jun 06, 2016 at 03:48:33PM -0400, Johannes Weiner wrote: > Currently, scan pressure between the anon and file LRU lists is > balanced based on a mixture of reclaim efficiency and a somewhat vague > notion of "value" of having certain pages in memory over others. That > concept of value is p

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-07 Thread Johannes Weiner
On Mon, Jun 06, 2016 at 10:34:43PM -0400, Rik van Riel wrote: > On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > > Currently, scan pressure between the anon and file LRU lists is > > balanced based on a mixture of reclaim efficiency and a somewhat > > vague > > notion of "value" of havin

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-06 Thread Rik van Riel
On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > Currently, scan pressure between the anon and file LRU lists is > balanced based on a mixture of reclaim efficiency and a somewhat > vague > notion of "value" of having certain pages in memory over others. That > concept of value is proble

Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

2016-06-06 Thread kbuild test robot
Hi, [auto build test ERROR on cifs/for-next] [also build test ERROR on v4.7-rc2 next-20160606] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Johannes-Weiner/mm-balance-LRU-lists-based-on-relati