linux-kernel - [PATCH] fix warning in arch/x86/mm/pgtable.c

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Date:	Sat, 26 Jul 2008 19:50:07 +0300
From:	Michael Borisov <niro@....by>
To:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fix warning in arch/x86/mm/pgtable.c

This patch fixes the following compile warning:

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

Signed-off-by: Michael Borisov <niro@....by>
---
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 557b2ab..2d57735 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -163,7 +163,8 @@ static int preallocate_pmds(pmd_t *pmds[])
        bool failed = false;
 
        for(i = 0; i < PREALLOCATED_PMDS; i++) {
-               pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL|
__GFP_REPEAT);
+               pmd_t *pmd;
+               pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
                if (pmd == NULL)
                        failed = true;
                pmds[i] = pmd;


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