[PATCH 13/15] memcontrol: allow objcg api when memcg is config off.

[Dave Airlie <airlied@gmail.com>]

From: Dave Airlie <airlied@redhat.com>

amdgpu wants to use the objcg api and not have to enable ifdef
around it, so just add a dummy function for the config off path.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/linux/memcontrol.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d7cfb9925db5..e5cffb0adeda 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1794,6 +1794,11 @@ static inline void __memcg_kmem_uncharge_page(struct page *page, int order)
 {
 }
 
+static inline struct obj_cgroup *get_obj_cgroup_from_current(void)
+{
+	return NULL;
+}
+
 static inline struct obj_cgroup *get_obj_cgroup_from_folio(struct folio *folio)
 {
 	return NULL;
-- 
2.50.1