[PATCH RFC 03/12] mm: move struct slabobj_ext to mm/slab.h

["Vlastimil Babka (SUSE)" <vbabka@kernel.org>]

Users of include/linux/memcontrol.h don't need to see this internal
structure. Further changes to the struct will reduce recompiling.

Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
---
 include/linux/memcontrol.h | 13 -------------
 mm/slab.h                  | 13 +++++++++++++
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index e1f46a0016fc..93869cc35c25 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1440,19 +1440,6 @@ static inline void mem_cgroup_flush_workqueue(void) { }
 static inline int mem_cgroup_init(void) { return 0; }
 #endif /* CONFIG_MEMCG */
 
-/*
- * Extended information for slab objects stored as an array in page->memcg_data
- * if MEMCG_DATA_OBJEXTS is set.
- */
-struct slabobj_ext {
-#ifdef CONFIG_MEMCG
-	struct obj_cgroup *objcg;
-#endif
-#ifdef CONFIG_MEM_ALLOC_PROFILING
-	union codetag_ref ref;
-#endif
-} __aligned(8);
-
 static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
 {
 	struct mem_cgroup *memcg;
diff --git a/mm/slab.h b/mm/slab.h
index 01535e1e2d3c..7bd361447c54 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -549,6 +549,19 @@ static inline bool need_kmalloc_no_objext(void)
 	return false;
 }
 
+/*
+ * Extended information for slab objects stored as an array in page->memcg_data
+ * if MEMCG_DATA_OBJEXTS is set.
+ */
+struct slabobj_ext {
+#ifdef CONFIG_MEMCG
+	struct obj_cgroup *objcg;
+#endif
+#ifdef CONFIG_MEM_ALLOC_PROFILING
+	union codetag_ref ref;
+#endif
+} __aligned(8);
+
 #ifdef CONFIG_SLAB_OBJ_EXT
 
 /*

-- 
2.55.0