On Tue 13-01-26 20:22:16, Mathieu Desnoyers wrote: > On 2026-01-13 18:55, Andrew Morton wrote: > > On Tue, 13 Jan 2026 17:16:16 -0500 Mathieu Desnoyers > > <[email protected]> wrote: > > > > > The hpcc series introduces an approximation which provides accuracy > > > limits on the approximation that make the result is still somewhat > > > meaninful on large many core systems. > > > > Can we leave the non-oom related parts of procfs as-is for now, then > > migrate them over to hpcc when that is available? Safer that way. > > Of course. > > So AFAIU the plan is: > > 1) update the oom accuracy fix to only use the precise sum for > the oom killer, no changes to procfs ABIs. This targets mm-new. > > 2) update the hpcc series to base them on top of the new fix from (1). > Update their commit messages to indicate that they bring accuracy > improvements to the procfs ABI on large many-core systems, as well as > latency improvements to the oom killer. This will target upstreaming > after the next merge window, but I will still post it soon to gather > feedback. > > Does that plan look OK ?
I was about to propose the same. 1) is a regression fix and should be merged first and go to stable trees (it is a low priority fix but still worth having addressed). Also a minor nit. You do not have to send cover letter for a single patch series. Thanks for working on this Mathieu! -- Michal Hocko SUSE Labs
