On Thu, Oct 29, 2020 at 9:57 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > Maybe I'm missing something, but shouldn't follow_pfn be unexported > at the end of the series? kvm is a legit user and modular afaict. But since you can't use this without an mmu_notifier anyway (or digging around in pagetable locking), maybe it should be EXPORT_SYMBOL_GPL now at least? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch