This resolves an issue with obj_cgroup_get() not being defined if
CONFIG_MEMCG is not defined.
Before this patch, we would see build errors if obj_cgroup_get() is
called from code that is agnostic of CONFIG_MEMCG.
The zswap_store() changes for mTHP in subsequent commits will require
the use of obj_cgroup_get() in zswap code that falls into this category.
Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@xxxxxxxxx>
---
include/linux/memcontrol.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index fe05fdb92779..f693d254ab2a 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1281,6 +1281,10 @@ struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css)
return NULL;
}
+static inline void obj_cgroup_get(struct obj_cgroup *objcg)
+{
+}
+
static inline void obj_cgroup_put(struct obj_cgroup *objcg)
{
}
--
2.27.0
