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-rw-r--r--mm/memory_hotplug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 23d5bd968950..efd1ad37bb57 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -551,7 +551,7 @@ static int __remove_section(struct zone *zone, struct mem_section *ms,
return ret;
scn_nr = __section_nr(ms);
- start_pfn = section_nr_to_pfn(scn_nr);
+ start_pfn = section_nr_to_pfn((unsigned long)scn_nr);
__remove_zone(zone, start_pfn);
sparse_remove_one_section(zone, ms, map_offset);