ptions we make in KVM may not 
apply to the general case and the WARN_ON_ONCE may become too 
restrictive compared to proper error handling in some (rare) cases.  For 
example, is it possible for the folio to migrate in between?[PATCH v10 09/15] KVM: guest_memfd: Add flag to remove from direct mapNikita Kalyazin <kalyazin@amazon.com> undefined"David Hildenbrand (Arm)" <david@kernel.org>, "Kalyazin, Nikita" <kalyazin@amazon.co.uk>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "kvmarm@lists.linux.dev" <kvmarm@lists.linux.dev>, "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>, "bpf@vger.kernel.org" <bpf@vger.kernel.org>, "linux-kselftest@vger.kernel.org" <linux-kselftest@vger.kernel.org>, "kernel@xen0n.name" <kernel@xen0n.name>, "linux-riscv@lists.infradead.org" <linux-riscv@lists.infradead.org>, "linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>, "loongarch@lists.linux.dev" <loongarch@lists.linux.dev> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefinedÝJ†Ä%