Messages in this thread |  | | Date | Sun, 15 Jan 2023 00:10:17 +0800 | Subject | Re: [External] Re: [PATCH 0/3] mm: replace atomic_t with percpu_ref in mempolicy. | From | Zhongkun He <> |
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> On Fri 13-01-23 17:20:39, Michal Hocko wrote: >> >> This is really hard to follow. Without having the context from previous >> discussions I would be completely lost. Please structure your cover >> letter but also other patch in general in the form: >> - what is the problem you would like to deal with >> - want to introduce pidfd_set_mempolicy because XYZ >> - what stands in the way >> - mempolicy objects access constrains (reliance on operating in >> the current context) >> - reference counting needs to be unconditional >> - why regular reference counting is not sufficient (performance) >> - what is this patchset proposing >> - per cpu reference counting >> - how is it implemented >> - how is the patch series structured >> - make the reference counting unconditional >> - special case static (never released) policies >> - replace standard ref counting by per-cpu reference counting > - introduce pidfd_set_mempolicy >> - how has this been tested?
Hi Michal, thanks for your review and suggestions.
I will follow the advice above to structure the letter and split the patches smaller on next version.
Thanks.
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