[PATCH 01/20] mm: move mapping_set_update out of <linux/swap.h>

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mapping_set_update is only used inside mm/.  Move mapping_set_update to
mm/internal.h and turn it into an inline function instead of a macro.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 include/linux/swap.h | 10 ----------
 mm/filemap.c         |  9 +++++++++
 mm/internal.h        |  4 ++++
 mm/workingset.c      |  1 +
 4 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 4db00ddad26169..755fc64ba48ded 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -350,16 +350,6 @@ void *workingset_eviction(struct folio *folio, struct mem_cgroup *target_memcg);
 void workingset_refault(struct folio *folio, void *shadow);
 void workingset_activation(struct folio *folio);
 
-/* Only track the nodes of mappings with shadow entries */
-void workingset_update_node(struct xa_node *node);
-extern struct list_lru shadow_nodes;
-#define mapping_set_update(xas, mapping) do {				\
-	if (!dax_mapping(mapping) && !shmem_mapping(mapping)) {		\
-		xas_set_update(xas, workingset_update_node);		\
-		xas_set_lru(xas, &shadow_nodes);			\
-	}								\
-} while (0)
-
 /* linux/mm/page_alloc.c */
 extern unsigned long totalreserve_pages;
 
diff --git a/mm/filemap.c b/mm/filemap.c
index 750e779c23db74..6c8b089f00d26a 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -124,6 +124,15 @@
  *    ->private_lock		(zap_pte_range->block_dirty_folio)
  */
 
+static void mapping_set_update(struct xa_state *xas,
+		struct address_space *mapping)
+{
+	if (dax_mapping(mapping) || shmem_mapping(mapping))
+		return;
+	xas_set_update(xas, workingset_update_node);
+	xas_set_lru(xas, &shadow_nodes);
+}
+
 static void page_cache_delete(struct address_space *mapping,
 				   struct folio *folio, void *shadow)
 {
diff --git a/mm/internal.h b/mm/internal.h
index f309a010d50fb6..4398f572485f00 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1266,4 +1266,8 @@ static inline void shrinker_debugfs_remove(struct dentry *debugfs_entry,
 }
 #endif /* CONFIG_SHRINKER_DEBUG */
 
+/* Only track the nodes of mappings with shadow entries */
+void workingset_update_node(struct xa_node *node);
+extern struct list_lru shadow_nodes;
+
 #endif	/* __MM_INTERNAL_H */
diff --git a/mm/workingset.c b/mm/workingset.c
index 2260129743282d..f2a0ecaf708d76 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -16,6 +16,7 @@
 #include <linux/dax.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
+#include "internal.h"
 
 /*
  *		Double CLOCK lists
-- 
2.39.2





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