linux-next: build warning after merge of the akpm-current tree

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi Andrew,

After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:

drivers/base/memory.c: In function 'show_valid_zones':
drivers/base/memory.c:384:22: warning: unused variable 'zone_prev' [-Wunused-variable]
  struct zone *zone, *zone_prev;
                      ^

Introduced by commit 46d9999e7374 ("memory-hotplug: fix not enough
check of valid zones").

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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