[PATCH v3 1/2] kho: add support for preserving vmalloc allocations

[Jason Gunthorpe]

On Mon, Sep 15, 2025 at 07:36:25PM +0300, Mike Rapoport wrote:
> > Under the covers it all uses the generic folio based code we already
> > have, but we should have appropriate wrappers around that code that
> > make clear these patterns.
> 
> Right, but that does not mean that vmalloc preserve/restore should use the
> public KHO APIs and avoid using internal methods.

I think it does, the same way vmalloc is layered on top of the buddy
allocator. Why wouldn't you build things in clean understandable
layers like this?

Jason