1 files changed, 1 insertions, 1 deletions

diff --git a/mm/sparse.c b/mm/sparse.c
index a9783acf2bb9..83b3bf6461af 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -626,7 +626,7 @@ void online_mem_sections(unsigned long start_pfn, unsigned long end_pfn)
         unsigned long pfn;
 
         for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
-                unsigned long section_nr = pfn_to_section_nr(start_pfn);
+                unsigned long section_nr = pfn_to_section_nr(pfn);
                 struct mem_section *ms;
 
                 /* onlining code should never touch invalid ranges */