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-rw-r--r--mm/memory.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index adeac306610f..d17f1bcd2a91 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -118,6 +118,8 @@ __setup("norandmaps", disable_randmaps);
unsigned long zero_pfn __read_mostly;
unsigned long highest_memmap_pfn __read_mostly;
+EXPORT_SYMBOL(zero_pfn);
+
/*
* CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()
*/