From 34ee55014283a60efa3534c06e010579ffdd3756 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Mon, 28 Jul 2008 15:46:40 -0700
Subject: [PATCH] include/asm-generic/pgtable-nopmd.h: macros are noxious,
 reason #435

arch/x86/mm/pgtable.c: In function 'pgd_mop_up_pmds':
  arch/x86/mm/pgtable.c:194: warning: unused variable 'pmd'

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/pgtable-nopmd.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index 087325ede76c..a7cdc48e8b78 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -5,6 +5,8 @@
 
 #include <asm-generic/pgtable-nopud.h>
 
+struct mm_struct;
+
 #define __PAGETABLE_PMD_FOLDED
 
 /*
@@ -54,7 +56,9 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address)
  * inside the pud, so has no extra memory associated with it.
  */
 #define pmd_alloc_one(mm, address)		NULL
-#define pmd_free(mm, x)				do { } while (0)
+static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
+{
+}
 #define __pmd_free_tlb(tlb, x)			do { } while (0)
 
 #undef  pmd_addr_end