linux-kernel - [PATCH 1/1] x86: remove unused variable pmd warning

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Message-Id: <1217265832-19686-1-git-send-email-righi.andrea@gmail.com>
Date:	Mon, 28 Jul 2008 19:23:52 +0200
From:	Andrea Righi <righi.andrea@...il.com>
To:	torvalds@...ux-foundation.org
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Andrea Righi <righi.andrea@...il.com>
Subject: [PATCH 1/1] x86: remove unused variable pmd warning

Remove the following warning on x86 when CONFIG_X86_PAE is not set:

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

Signed-off-by: Andrea Righi <righi.andrea@...il.com>
---
 include/asm-generic/pgtable-nopmd.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index 087325e..fe9c96b 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -54,7 +54,10 @@ 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)
+struct mm_struct;
+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
-- 
1.5.4.3

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