[PATCH] mm: fix unused variable warning

[Naoya Horiguchi]

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 <l...@intel.com>
Signed-off-by: Naoya Horiguchi <n-horigu...@ah.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