Re: [PATCH 32/34] mm: vmstat: account per-zone stalls and pages skipped during reclaim

2016-07-12 Thread Johannes Weiner
On Fri, Jul 08, 2016 at 10:35:08AM +0100, Mel Gorman wrote: > The vmstat allocstall was fairly useful in the general sense but > node-based LRUs change that. It's important to know if a stall was for an > address-limited allocation request as this will require skipping pages > from other zones. T

[PATCH 32/34] mm: vmstat: account per-zone stalls and pages skipped during reclaim

2016-07-08 Thread Mel Gorman
The vmstat allocstall was fairly useful in the general sense but node-based LRUs change that. It's important to know if a stall was for an address-limited allocation request as this will require skipping pages from other zones. This patch adds pgstall_* counters to replace allocstall. The sum of