linux-next: build warning in Linus' tree

[Stephen Rothwell]

Hi Linus,

Building your tree, today's linux-next build (powerpc ppc64_defconfig)
produced this warning:

mm/memory_hotplug.c: In function 'try_offline_node':
mm/memory_hotplug.c:2120:6: warning: unused variable 'i' [-Wunused-variable]
 int i;
     ^

Introduced by commit

  9dcb8b685fc3 ("mm: remove per-zone hashtable of bitlock waitqueues")

-- 
Cheers,
Stephen Rothwell