[lkml]   [2018]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 0/10] psi: pressure stall information for CPU, memory, and IO v2
On Tue, Jul 17, 2018 at 6:25 AM, Michal Hocko <> wrote:
> Yes this is really unfortunate. One thing that could help would be to
> consider a trashing level during the reclaim (get_scan_count) to simply
> forget about LRUs which are constantly refaulting pages back. We already
> have the infrastructure for that. We just need to plumb it in.

Can you go into a bit more detail about that infrastructure and how we
might detect which pages are being constantly refaulted? I'm
interested in spending a few hours on this topic to see if I can come
up with anything.


 \ /
  Last update: 2018-07-17 14:14    [W:0.132 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site