commit e13224197ef3609ec2e95590f47815435d0dde41
author Mark Salyzyn <salyzyn@google.com> Tue Jul 12 08:18:24 2016 -0700
committer gitbuildkicker <android-build@google.com> Tue Jul 12 15:59:59 2016 -0700
tree bb924beed8cfb76f10e7a38234c1e69c0a6182b5
parent 8a1dcc68ca46a13905e6620a20f5d324f82a1b5a

flounder: turn off nvmap page pool

Hidden memory leads to poor decision making in lowmemorykiller which
can lead to jank and otherwise poor performance.

Bug: 29389829
Change-Id: If39a1b47fbbda90c8a576f899fe012a32e8b3092

init.flounder.rc

diff --git a/init.flounder.rc b/init.flounder.rc
index ad2e410..cba5bc5 100644
--- a/init.flounder.rc
+++ b/init.flounder.rc
@@ -19,6 +19,10 @@
     write /proc/sys/vm/page-cluster 0
 
 on post-fs
+    # turn off nvmap page pool b/29389829
+    write /sys/module/nvmap_pp/parameters/pool_size 0
+    write /sys/module/nvmap_pp/parameters/enable_page_pools 0
+
     write /sys/power/gpu_power_on 1
     write /sys/module/input_cfboost/parameters/gpu_wakeup 1
     # Turn on swap