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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 7469c503580d..0fb330271271 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -208,7 +208,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
/*
* This doesn't need a lock to do pfn_to_page().
* The section can't be removed here because of the
- * memory_block->state_sem.
+ * memory_block->state_mutex.
*/
zone = page_zone(pfn_to_page(pfn));
pgdat_resize_lock(zone->zone_pgdat, &flags);