linux-kernel - [PATCH] mm: fix build warning in try_to_unmap

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Message-id: <000f01cdb292$20df5910$629e0b30$%han@samsung.com>
Date:	Thu, 25 Oct 2012 18:21:34 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Cc:	linux-mm@...ck.org, 'Bob Liu' <lliubbo@...il.com>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH] mm: fix build warning in try_to_unmap_cluster()

Fix build warning in try_to_unmap_cluster() as below:

mm/rmap.c: In function 'try_to_unmap_cluster':
mm/rmap.c:1364:9: warning: unused variable 'pud' [-Wunused-variable]
mm/rmap.c:1363:9: warning: unused variable 'pgd' [-Wunused-variable]

This build warning is introduced by commit 0981230
"mm: introduce mm_find_pmd()".

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
Cc: Bob Liu <lliubbo@...il.com>
---
This patch is based on linux-next-20121025 code tree.

 mm/rmap.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 6c686c2..98b100e 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1360,8 +1360,6 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
 		struct vm_area_struct *vma, struct page *check_page)
 {
 	struct mm_struct *mm = vma->vm_mm;
-	pgd_t *pgd;
-	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte;
 	pte_t pteval;
-- 
1.7.1


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