On Wed, May 08, 2019 at 05:43:40PM +0300, Kirill A. Shutemov wrote: > page_keyid() is inline funcation that uses lookup_page_ext(). KVM is > going to use page_keyid() and since KVM can be built as a module > lookup_page_ext() has to be exported. I _really_ hate having to export world+dog for KVM. This one might not be a real issue, but I itch every time I see an export for KVM these days.