page table handling cleanup

Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(),
pte_exec(), and pte_user() except where arch-specific code is making use of
them.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index eb0f1d7..948a334 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -20,26 +20,11 @@
 #define pud_present(pud)			1
 
 /*
- * Is the pte executable?
- */
-static inline int pte_x(pte_t pte)
-{
-	return !(pte_val(pte) & _PAGE_NX);
-}
-
-/*
- * All present user-pages with !NX bit are user-executable:
- */
-static inline int pte_exec(pte_t pte)
-{
-	return pte_user(pte) && pte_x(pte);
-}
-/*
  * All present pages with !NX bit are kernel-executable:
  */
 static inline int pte_exec_kernel(pte_t pte)
 {
-	return pte_x(pte);
+	return !(pte_val(pte) & _PAGE_NX);
 }
 
 /* Rules for using set_pte: the pte being assigned *must* be