From 295c70865d10d7c57ba13cbef45c1d276ebfa83e Mon Sep 17 00:00:00 2001
From: HuKeping <hukeping@huawei.com>
Date: Sat, 7 Mar 2015 02:37:56 +0800
Subject: [PATCH] cgroups: add support for oom control

This patch add support for diable OOM Killer.

Signed-off-by: Hu Keping <hukeping@huawei.com>
---
 cgroups/fs/memory.go | 6 ++++++
 configs/cgroup.go    | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/cgroups/fs/memory.go b/cgroups/fs/memory.go
index a2e4f33db9c..b99f81687a6 100644
--- a/cgroups/fs/memory.go
+++ b/cgroups/fs/memory.go
@@ -56,6 +56,12 @@ func (s *MemoryGroup) Set(path string, cgroup *configs.Cgroup) error {
 		}
 	}
 
+	if cgroup.OomKillDisable {
+		if err := writeFile(path, "memory.oom_control", "1"); err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
 
diff --git a/configs/cgroup.go b/configs/cgroup.go
index 92b9286a9ee..8bf174c195f 100644
--- a/configs/cgroup.go
+++ b/configs/cgroup.go
@@ -51,4 +51,7 @@ type Cgroup struct {
 
 	// Parent slice to use for systemd TODO: remove in favor or parent
 	Slice string `json:"slice"`
+
+	// Whether to disable OOM Killer
+	OomKillDisable bool `json:"oom_kill_disable"`
 }