Re: [PATCHv4 00/13] Heterogeneuos memory node attributes

From: Balbir Singh
Date: Fri Jan 18 2019 - 08:16:20 EST


On Thu, Jan 17, 2019 at 08:44:37AM -0700, Keith Busch wrote:
> On Thu, Jan 17, 2019 at 11:58:21PM +1100, Balbir Singh wrote:
> > On Wed, Jan 16, 2019 at 10:57:51AM -0700, Keith Busch wrote:
> > > It had previously been difficult to describe these setups as memory
> > > rangers were generally lumped into the NUMA node of the CPUs. New
> > > platform attributes have been created and in use today that describe
> > > the more complex memory hierarchies that can be created.
> > >
> >
> > Could you please expand on this text -- how are these attributes
> > exposed/consumed by both the kernel and user space?
> >
> > > This series' objective is to provide the attributes from such systems
> > > that are useful for applications to know about, and readily usable with
> > > existing tools and libraries.
> >
> > I presume these tools and libraries are numactl and mbind()?
>
> Yes, and numactl is used the examples provided in both changelogs and
> documentation in this series. Do you want to see those in the cover
> letter as well?

Not really, I was just reading through the cover letter and was curious

Balbir Singh.