+static inline bool is_vm_area_hugepages(const void *addr)
+{
+ /*
+ * This may not 100% tell if the area is mapped with > PAGE_SIZE
+ * page table entries, if for some reason the architecture indicates
+ * larger sizes are available but decides not to use them, nothing
+ * prevents that. This only indicates the size of the physical page
+ * allocated in the vmalloc layer.
+ */
+#ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC
+ return find_vm_area(addr)->page_order > 0;
+#else
+ return false;
+#endif
+}
+