Re: [RFC PATCH] mm: use rbtree for page-wait

2018-04-06 Thread Tim Chen
On 04/03/2018 02:59 PM, Sebastian Andrzej Siewior wrote: > I noticed commit 2554db916586 ("sched/wait: Break up long wake list > walk") in which it is claimed that > |We saw page wait list that are up to 3700+ entries long in tests of > |large 4 and 8 socket systems. > > Here is another approach:

Re: [RFC PATCH] mm: use rbtree for page-wait

2018-04-06 Thread Tim Chen
On 04/03/2018 02:59 PM, Sebastian Andrzej Siewior wrote: > I noticed commit 2554db916586 ("sched/wait: Break up long wake list > walk") in which it is claimed that > |We saw page wait list that are up to 3700+ entries long in tests of > |large 4 and 8 socket systems. > > Here is another approach: