73 lines
2 KiB
Diff
Executable file
73 lines
2 KiB
Diff
Executable file
From 32839a570568823b3a1128bb1ae6c5fe3e9870af 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 024/114] 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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arch/arm/configs/bcmrpi_defconfig | 1 +
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kernel/cgroup.c | 23 +++++++++++++++++++++++
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mm/memcontrol.c | 1 +
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3 files changed, 25 insertions(+)
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diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
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index e2da9da..897616c 100644
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--- a/arch/arm/configs/bcmrpi_defconfig
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+++ b/arch/arm/configs/bcmrpi_defconfig
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@@ -19,6 +19,7 @@ CONFIG_CGROUP_FREEZER=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_RESOURCE_COUNTERS=y
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+CONFIG_MEMCG=y
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CONFIG_BLK_CGROUP=y
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CONFIG_NAMESPACES=y
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CONFIG_SCHED_AUTOGROUP=y
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diff --git a/kernel/cgroup.c b/kernel/cgroup.c
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index 136ecea..c909506 100644
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--- a/kernel/cgroup.c
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+++ b/kernel/cgroup.c
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@@ -5322,6 +5322,29 @@ static int __init cgroup_disable(char *str)
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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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diff --git a/mm/memcontrol.c b/mm/memcontrol.c
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index 4918b6e..168498c 100644
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--- a/mm/memcontrol.c
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+++ b/mm/memcontrol.c
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@@ -6207,6 +6207,7 @@ struct cgroup_subsys memory_cgrp_subsys = {
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.bind = mem_cgroup_bind,
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.legacy_cftypes = mem_cgroup_files,
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.early_init = 0,
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+ .disabled = 1,
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};
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#ifdef CONFIG_MEMCG_SWAP
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--
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1.8.3.2
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