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-rw-r--r--mm/nommu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 3e67e7538ecf..3fba2dc97c44 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -62,6 +62,7 @@ void *high_memory;
EXPORT_SYMBOL(high_memory);
struct page *mem_map;
unsigned long max_mapnr;
+EXPORT_SYMBOL(max_mapnr);
unsigned long highest_memmap_pfn;
struct percpu_counter vm_committed_as;
int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */