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-rw-r--r--mm/memcontrol.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 701c1ab79d24..7bb2971dc75e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3637,6 +3637,9 @@ static ssize_t mem_cgroup_write(struct kernfs_open_file *of,
ret = mem_cgroup_resize_max(memcg, nr_pages, true);
break;
case _KMEM:
+ pr_warn_once("kmem.limit_in_bytes is deprecated and will be removed. "
+ "Please report your usecase to linux-mm@kvack.org if you "
+ "depend on this functionality.\n");
ret = memcg_update_kmem_max(memcg, nr_pages);
break;
case _TCP: