increase max_map_count for hardened malloc

GrapheneOS · Oct 5, 2021 · 8c0f3c0 · 8c0f3c0
1 parent 84e2bf5
commit 8c0f3c0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/rootdir/init.rc b/rootdir/init.rc
@@ -854,6 +854,8 @@ on boot
     chown root system /sys/block/zram0/writeback
     chmod 0664 /sys/block/zram0/writeback
 
+    write /proc/sys/vm/max_map_count 1048576
+
     # Tweak background writeout
     write /proc/sys/vm/dirty_expire_centisecs 200
     write /proc/sys/vm/dirty_background_ratio  5