1 files changed, 28 insertions, 0 deletions

diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h
new file mode 100644
index 000000000000..6c98780eb731
--- /dev/null
+++ b/arch/x86/mm/pat_internal.h
@@ -0,0 +1,28 @@
+#ifndef __PAT_INTERNAL_H_
+#define __PAT_INTERNAL_H_
+
+extern int pat_debug_enable;
+
+#define dprintk(fmt, arg...) \
+        do { if (pat_debug_enable) printk(KERN_INFO fmt, ##arg); } while (0)
+
+struct memtype {
+        u64                     start;
+        u64                     end;
+        unsigned long           type;
+        struct list_head        nd;
+        struct rb_node          rb;
+};
+
+static inline char *cattr_name(unsigned long flags)
+{
+        switch (flags & _PAGE_CACHE_MASK) {
+        case _PAGE_CACHE_UC:            return "uncached";
+        case _PAGE_CACHE_UC_MINUS:      return "uncached-minus";
+        case _PAGE_CACHE_WB:            return "write-back";
+        case _PAGE_CACHE_WC:            return "write-combining";
+        default:                        return "broken";
+        }
+}
+
+#endif /* __PAT_INTERNAL_H_ */