On Mon, May 12, 2025 at 05:34:56PM +0100, Matthew Wilcox wrote: > 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. This describes what presently exists, so i'm not sure of what value a NAK here is. Feel free to submit patches that deletes the existing code if you want it removed from the documentation. ~Gregory