x86: page.h: move and unify types for pagetable entry, #3

based on:

 Subject: x86: page.h: move and unify types for pagetable entry
 From: Jeremy Fitzhardinge <jeremy@goop.org>

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 911d7e0b3cd..a522fbada97 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -79,6 +79,19 @@
 #ifndef __ASSEMBLY__
 void clear_page(void *page);
 void copy_page(void *to, void *from);
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef unsigned long   pteval_t;
+typedef unsigned long   pmdval_t;
+typedef unsigned long   pudval_t;
+typedef unsigned long   pgdval_t;
+typedef unsigned long   pgprotval_t;
+typedef unsigned long   phys_addr_t;
+
+typedef struct { pteval_t pte; } pte_t;
+
 #endif  /* !__ASSEMBLY__ */
 
 #endif  /* CONFIG_X86_64 */