On Wed, Mar 27, 2024 at 6:37 PM Huang, Ying wrote:
>
> "Ho-Ren (Jack) Chuang" writes:
>
> [snip]
>
> > @@ -655,6 +672,34 @@ void mt_put_memory_types(struct list_head
> > *memory_types)
> > }
> > EXPORT_SYMBOL_GPL(mt_put_memory_types);
> >
> > +/*
> > + * This is invoked via `late_initcall()`
"Ho-Ren (Jack) Chuang" writes:
[snip]
> @@ -655,6 +672,34 @@ void mt_put_memory_types(struct list_head *memory_types)
> }
> EXPORT_SYMBOL_GPL(mt_put_memory_types);
>
> +/*
> + * This is invoked via `late_initcall()` to initialize memory tiers for
> + * CPU-less memory nodes after driver
The current implementation treats emulated memory devices, such as
CXL1.1 type3 memory, as normal DRAM when they are emulated as normal memory
(E820_TYPE_RAM). However, these emulated devices have different
characteristics than traditional DRAM, making it important to
distinguish them. Thus, we
