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-rw-r--r--include/linux/mm.h6
-rw-r--r--mm/page_alloc.c6
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 6d7266842abd..7aa11a6736eb 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1816,5 +1816,11 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; }
static inline bool page_is_guard(struct page *page) { return false; }
#endif /* CONFIG_DEBUG_PAGEALLOC */
+#if MAX_NUMNODES > 1
+void __init setup_nr_node_ids(void);
+#else
+static inline void setup_nr_node_ids(void) {}
+#endif
+
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5a234b64f3ac..98cbdf6e5532 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4749,7 +4749,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
/*
* Figure out the number of possible node ids.
*/
-static void __init setup_nr_node_ids(void)
+void __init setup_nr_node_ids(void)
{
unsigned int node;
unsigned int highest = 0;
@@ -4758,10 +4758,6 @@ static void __init setup_nr_node_ids(void)
highest = node;
nr_node_ids = highest + 1;
}
-#else
-static inline void setup_nr_node_ids(void)
-{
-}
#endif
/**
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