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54 lines
1.3 KiB
Diff
54 lines
1.3 KiB
Diff
From 3af3746a509957ae4a0daa7b4a561c2a97870916 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Wed, 18 Dec 2013 22:16:19 +0000
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Subject: [PATCH 033/171] config: Enable CONFIG_MEMCG, but leave it disabled
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(due to memory cost). Enable with cgroup_enable=memory.
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---
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kernel/cgroup.c | 23 +++++++++++++++++++++++
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mm/memcontrol.c | 1 +
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2 files changed, 24 insertions(+)
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--- a/kernel/cgroup.c
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+++ b/kernel/cgroup.c
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@@ -5394,6 +5394,29 @@ static int __init cgroup_disable(char *s
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}
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__setup("cgroup_disable=", cgroup_disable);
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+static int __init cgroup_enable(char *str)
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+{
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+ struct cgroup_subsys *ss;
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+ char *token;
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+ int i;
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+
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+ while ((token = strsep(&str, ",")) != NULL) {
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+ if (!*token)
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+ continue;
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+
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+ for_each_subsys(ss, i) {
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+ if (!strcmp(token, ss->name)) {
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+ ss->disabled = 0;
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+ printk(KERN_INFO "Enabling %s control group"
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+ " subsystem\n", ss->name);
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+ break;
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+ }
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+ }
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+ }
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+ return 1;
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+}
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+__setup("cgroup_enable=", cgroup_enable);
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+
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static int __init cgroup_set_legacy_files_on_dfl(char *str)
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{
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printk("cgroup: using legacy files on the default hierarchy\n");
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--- a/mm/memcontrol.c
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+++ b/mm/memcontrol.c
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@@ -5388,6 +5388,7 @@ struct cgroup_subsys memory_cgrp_subsys
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.dfl_cftypes = memory_files,
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.legacy_cftypes = mem_cgroup_legacy_files,
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.early_init = 0,
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+ .disabled = 1,
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};
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/**
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