set memory.kmem.limit_in_bytes

Memcg/kmem reclaim support has been merged since kernel 4.1,
so it makes sense to include this.

Closes #820

diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index aa705c8f9aaa93b97ff171e02ddb704573a1a65b..a326e748f46f7d3ffff091f1952ec446ccf78e23 100644 (file)
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -1094,6 +1094,7 @@ sub update_lxc_config {
 
     my $lxcmem = int($memory*1024*1024);
     $raw .= "lxc.cgroup.memory.limit_in_bytes = $lxcmem\n";
+    $raw .= "lxc.cgroup.memory.kmem.limit_in_bytes = $lxcmem\n";
 
     my $lxcswap = int(($memory + $swap)*1024*1024);
     $raw .= "lxc.cgroup.memory.memsw.limit_in_bytes = $lxcswap\n";