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Shutemov" To: Peter Zijlstra Cc: "Kirill A. Shutemov" , Andrew Morton , x86@kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Borislav Petkov , Andy Lutomirski , David Howells , Kees Cook , Dave Hansen , Kai Huang , Jacob Pan , Alison Schofield , linux-mm@kvack.org, kvm@vger.kernel.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH, RFC 20/62] mm/page_ext: Export lookup_page_ext() symbol Message-ID: <20190614224443.qmqolaigu5wnf75p@box> References: <20190508144422.13171-1-kirill.shutemov@linux.intel.com> <20190508144422.13171-21-kirill.shutemov@linux.intel.com> <20190614111259.GA3436@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190614111259.GA3436@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20180716 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 14, 2019 at 01:12:59PM +0200, Peter Zijlstra wrote: > 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. Is there any better way? Do we need to invent EXPORT_SYMBOL_KVM()? :P -- Kirill A. Shutemov