6918ea2484
Update the 3.10 rasperry patches by rebasing raspberry/rpi-3.10-y against linux-stable/v3.10.49. Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 42678
81 lines
2.1 KiB
Diff
81 lines
2.1 KiB
Diff
From 10e9081e9311264f34259527c8d08a8c95beb2da 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 128/196] 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 | 31 +++++++++++++++++++++++++++++++
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mm/memcontrol.c | 1 +
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3 files changed, 33 insertions(+)
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diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
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index 31010e4..fd3229a 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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@@ -18,6 +18,7 @@ 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 d0def7f..de9d91a 100644
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--- a/kernel/cgroup.c
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+++ b/kernel/cgroup.c
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@@ -5127,6 +5127,37 @@ 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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+ int i;
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+ char *token;
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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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+ for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
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+ struct cgroup_subsys *ss = subsys[i];
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+
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+ /*
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+ * cgroup_enable, being at boot time, can't
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+ * know about module subsystems, so we don't
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+ * worry about them.
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+ */
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+ if (!ss || ss->module)
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+ continue;
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+
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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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/*
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* Functons for CSS ID.
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*/
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diff --git a/mm/memcontrol.c b/mm/memcontrol.c
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index f45e21a..28a7e40 100644
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--- a/mm/memcontrol.c
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+++ b/mm/memcontrol.c
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@@ -6970,6 +6970,7 @@ struct cgroup_subsys mem_cgroup_subsys = {
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.base_cftypes = mem_cgroup_files,
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.early_init = 0,
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.use_id = 1,
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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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1.9.1
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