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freifunkist-firmware/target/linux/brcm2708/patches-3.18/0024-config-Enable-CONFIG_M...

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From 32839a570568823b3a1128bb1ae6c5fe3e9870af Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Wed, 18 Dec 2013 22:16:19 +0000
Subject: [PATCH 024/114] config: Enable CONFIG_MEMCG, but leave it disabled
(due to memory cost). Enable with cgroup_enable=memory.
---
arch/arm/configs/bcmrpi_defconfig | 1 +
kernel/cgroup.c | 23 +++++++++++++++++++++++
mm/memcontrol.c | 1 +
3 files changed, 25 insertions(+)
--- a/arch/arm/configs/bcmrpi_defconfig
+++ b/arch/arm/configs/bcmrpi_defconfig
@@ -19,6 +19,7 @@ CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
+CONFIG_MEMCG=y
CONFIG_BLK_CGROUP=y
CONFIG_NAMESPACES=y
CONFIG_SCHED_AUTOGROUP=y
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5322,6 +5322,29 @@ static int __init cgroup_disable(char *s
}
__setup("cgroup_disable=", cgroup_disable);
+static int __init cgroup_enable(char *str)
+{
+ struct cgroup_subsys *ss;
+ char *token;
+ int i;
+
+ while ((token = strsep(&str, ",")) != NULL) {
+ if (!*token)
+ continue;
+
+ for_each_subsys(ss, i) {
+ if (!strcmp(token, ss->name)) {
+ ss->disabled = 0;
+ printk(KERN_INFO "Enabling %s control group"
+ " subsystem\n", ss->name);
+ break;
+ }
+ }
+ }
+ return 1;
+}
+__setup("cgroup_enable=", cgroup_enable);
+
static int __init cgroup_set_legacy_files_on_dfl(char *str)
{
printk("cgroup: using legacy files on the default hierarchy\n");
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6207,6 +6207,7 @@ struct cgroup_subsys memory_cgrp_subsys
.bind = mem_cgroup_bind,
.legacy_cftypes = mem_cgroup_files,
.early_init = 0,
+ .disabled = 1,
};
#ifdef CONFIG_MEMCG_SWAP