aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch')
-rw-r--r--target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch b/target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch
new file mode 100644
index 0000000000..2fb9aca792
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.9/0060-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch
@@ -0,0 +1,50 @@
+From d8fe940fffef38e498beaa5bd182647452d98de9 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 | 24 +++++++++++++++++++++++-
+ 1 file changed, 23 insertions(+), 1 deletion(-)
+
+--- a/kernel/cgroup.c
++++ b/kernel/cgroup.c
+@@ -5629,7 +5629,7 @@ int __init cgroup_init_early(void)
+ return 0;
+ }
+
+-static u16 cgroup_disable_mask __initdata;
++static u16 cgroup_disable_mask __initdata = 1<<0;
+
+ /**
+ * cgroup_init - cgroup initialization
+@@ -6166,6 +6166,28 @@ static int __init cgroup_no_v1(char *str
+ }
+ __setup("cgroup_no_v1=", cgroup_no_v1);
+
++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