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- From 64f24afea7e30d68004f0d8db7822f87859d8dac Mon Sep 17 00:00:00 2001
- From: popcornmix <popcornmix@gmail.com>
- Date: Wed, 18 Dec 2013 22:16:19 +0000
- Subject: [PATCH] config: Enable CONFIG_MEMCG, but leave it disabled (due to
- memory cost). Enable with cgroup_enable=memory.
- ---
- kernel/cgroup.c | 23 ++++++++++++++++++++++-
- 1 file changed, 22 insertions(+), 1 deletion(-)
- --- a/kernel/cgroup.c
- +++ b/kernel/cgroup.c
- @@ -5321,7 +5321,7 @@ int __init cgroup_init_early(void)
- return 0;
- }
-
- -static unsigned long cgroup_disable_mask __initdata;
- +static unsigned long cgroup_disable_mask __initdata = 1<<0;
-
- /**
- * cgroup_init - cgroup initialization
- @@ -5817,6 +5817,27 @@ 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) &&
- + strcmp(token, ss->legacy_name))
- + continue;
- + cgroup_disable_mask &= ~(1 << i);
- + }
- + }
- + return 1;
- +}
- +__setup("cgroup_enable=", cgroup_enable);
- +
- /**
- * css_tryget_online_from_dir - get corresponding css from a cgroup dentry
- * @dentry: directory dentry of interest
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