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-rw-r--r--include/linux/memory_hotplug.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 52869d6d38b3..8ade08c50d26 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -100,6 +100,8 @@ extern void __online_page_free(struct page *page);
extern int try_online_node(int nid);
+extern u64 max_mem_size;
+
extern bool memhp_auto_online;
/* If movable_node boot option specified */
extern bool movable_node_enabled;