From 1504cb5b6e0a4e0afc162c25b7e53e61c9331b77 Mon Sep 17 00:00:00 2001
From: Tim Murray <timmurray@google.com>
Date: Fri, 15 Feb 2019 11:51:09 -0800
Subject: [PATCH] Set /proc/pressure/memory file permissions

Change access mode and ownership for /proc/pressure/memory file
to allow system components access memory pressure information.

Bug: 129476847
Change-Id: I25b6bc9d47aee857936f050b66e7bee6363b53be
Signed-off-by: Tim Murray <timmurray@google.com>
---
 rootdir/init.rc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rootdir/init.rc b/rootdir/init.rc
index fec1e6801..2b6e9c721 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -222,6 +222,9 @@ on init
     chmod 0664 /dev/cpuset/restricted/tasks
     chmod 0664 /dev/cpuset/tasks
 
+    # make the PSI monitor accessible to others
+    chown system system /proc/pressure/memory
+    chmod 0664 /proc/pressure/memory
 
     # qtaguid will limit access to specific data based on group memberships.
     #   net_bw_acct grants impersonation of socket owners.