Re: CXL Boot to Bash - Section 3: Memory (block) Hotplug

[Gregory Price]

On Thu, Feb 20, 2025 at 09:50:07AM -0800, Yang Shi wrote:
> > > I will double check that this isn't working as expected, and i'll double
> > > check for a build option as well.
> > >
> > > stupid question - it sorta seems like you'd want this as the default
> > > setting for driver-managed hotplug memory blocks, but I suppose for
> > > very small blocks there's problems (as described in the docs).
> >
> > The issue is that it is per-memblock. So you'll never have 1 GiB ranges
> > of consecutive usable memory (e.g., 1 GiB hugetlb page).
> 
> Regardless of ZONE_MOVABLE or ZONE_NORMAL, right?
> 
> Thanks,
> Yang

>From my testing, yes.

~Gregory