Merge "Disable dm-verity hash prefetching."

2020-01-15 13:13:01 +00:00 · 2020-01-15 13:13:01 +00:00 · e4505960b9
parent f7593a9a2a 9226bb304a
commit e4505960b9
1 changed files with 4 additions and 0 deletions
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@ -42,6 +42,10 @@ on early-init
    mkdir /linkerconfig/bootstrap 0755
    mkdir /linkerconfig/default 0755

+    # Disable dm-verity hash prefetching, since it doesn't help performance
+    # Read more in b/136247322
+    write /sys/module/dm_verity/parameters/prefetch_cluster 0
+
    # Generate ld.config.txt for early executed processes
    exec -- /system/bin/linkerconfig --target /linkerconfig/bootstrap
    chmod 644 /linkerconfig/bootstrap/ld.config.txt