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

Pratyush Yadav pratyush at kernel.org
Tue Sep 16 06:21:37 PDT 2025


On Tue, Sep 16 2025, Jason Gunthorpe wrote:

> 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?

+1

-- 
Regards,
Pratyush Yadav



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