Re: [PATCH for v5.8 1/3] mm: workingset: age nonresident information alongside anonymous pages

2020-06-29 Thread Vlastimil Babka
On 6/16/20 8:16 AM, js1...@gmail.com wrote: > From: Johannes Weiner > > After ("mm: workingset: let cache workingset challenge anon fix"), we This could now be updated to: After commit 34e58cac6d8f ("mm: workingset: let cache workingset challenge anon"), we ... > compare refault distances to

[PATCH for v5.8 1/3] mm: workingset: age nonresident information alongside anonymous pages

2020-06-16 Thread js1304
From: Johannes Weiner After ("mm: workingset: let cache workingset challenge anon fix"), we compare refault distances to active_file + anon. But age of the non-resident information is only driven by the file LRU. As a result, we may overestimate the recency of any incoming refaults and activate