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-rw-r--r--include/linux/swap.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a49be950c485..95c6061fa1dc 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -431,6 +431,22 @@ extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness;
long remove_mapping(struct address_space *mapping, struct folio *folio);
+#if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
+extern int reclaim_register_node(struct node *node);
+extern void reclaim_unregister_node(struct node *node);
+
+#else
+
+static inline int reclaim_register_node(struct node *node)
+{
+ return 0;
+}
+
+static inline void reclaim_unregister_node(struct node *node)
+{
+}
+#endif /* CONFIG_SYSFS && CONFIG_NUMA */
+
#ifdef CONFIG_NUMA
extern int sysctl_min_unmapped_ratio;
extern int sysctl_min_slab_ratio;