linux-kernel - [PATCH] mm: fix unused variable warning

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Date:   Tue, 8 Nov 2016 01:41:08 +0000
From:   Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:     kbuild test robot <lkp@...el.com>
CC:     "kbuild-all@...org" <kbuild-all@...org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Hugh Dickins <hughd@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Michal Hocko <mhocko@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Pavel Emelyanov <xemul@...allels.com>,
        "Zi Yan" <zi.yan@...rutgers.edu>,
        Balbir Singh <bsingharora@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Naoya Horiguchi" <nao.horiguchi@...il.com>
Subject: [PATCH] mm: fix unused variable warning

Fix the following warning:

  mm/memory_hotplug.c: In function 'try_offline_node':
  mm/memory_hotplug.c:2131:6: warning: unused variable 'i' [-Wunused-variable]
    int i;
        ^

Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
---
 mm/memory_hotplug.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 534348ddd285..d612a75ceec4 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -2128,7 +2128,6 @@ void try_offline_node(int nid)
 	unsigned long start_pfn = pgdat->node_start_pfn;
 	unsigned long end_pfn = start_pfn + pgdat->node_spanned_pages;
 	unsigned long pfn;
-	int i;
 
 	for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
 		unsigned long section_nr = pfn_to_section_nr(pfn);
-- 
2.7.4