[PATCH 1/4] __add_section remove unused pgdat definition

[Andy Whitcroft]

__add_section defines an unused pointer to the zones pgdat.  Remove
this definition.  This fixes a compile warning.

Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxx>
---
 memory_hotplug.c |    1 -
 1 file changed, 1 deletion(-)
diff -upN reference/mm/memory_hotplug.c current/mm/memory_hotplug.c
--- reference/mm/memory_hotplug.c
+++ current/mm/memory_hotplug.c
@@ -42,7 +42,6 @@ extern int sparse_add_one_section(struct
 				  int nr_pages);
 static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
 {
-	struct pglist_data *pgdat = zone->zone_pgdat;
 	int nr_pages = PAGES_PER_SECTION;
 	int ret;
 
-
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