1 files changed, 8 insertions, 0 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index f923b728388..69254a365ce 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1037,6 +1037,14 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
                 return -EACCES;
         }
 
+        /*
+         * Warn that /proc/pid/oom_adj is deprecated, see
+         * Documentation/feature-removal-schedule.txt.
+         */
+        printk_once(KERN_WARNING "%s (%d): /proc/%d/oom_adj is deprecated, "
+                        "please use /proc/%d/oom_score_adj instead.\n",
+                        current->comm, task_pid_nr(current),
+                        task_pid_nr(task), task_pid_nr(task));
         task->signal->oom_adj = oom_adjust;
         /*
          * Scale /proc/pid/oom_score_adj appropriately ensuring that a maximum