Re: [PATCH v3 14/17] cxl: docs/allocation/page-allocator

Matthew Wilcox
2025-05-12T16:35:03Z

On Mon, May 12, 2025 at 12:21:31PM -0400, Gregory Price wrote:
> Document some interesting interactions that occur when exposing CXL
> memory capacity to page allocator.

We should not do this. Asking the page allocator for memory (eg for
slab) should never return memory on CXL. There need to be special
interfaces for clients that know they can tolerate the added latency.

NAK this concept, and NAK this specific document. I have no comment on
the previous documents.