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-rw-r--r--mm/util.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c
index 818bbae84721..2ab16a248776 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -372,6 +372,7 @@ struct address_space *page_mapping(struct page *page)
return NULL;
return page->mapping;
}
+EXPORT_SYMBOL(page_mapping);
int overcommit_ratio_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,