Revert "cgroup: Disable cgroup "memory" by default"
authorDom Cobley <popcornmix@gmail.com>
Thu, 17 Jun 2021 17:38:19 +0000 (18:38 +0100)
committerDom Cobley <popcornmix@gmail.com>
Thu, 17 Jun 2021 17:38:27 +0000 (18:38 +0100)
This reverts commit 9fc03b7b841a4efb45e8997cedac4896bc1682ab.

kernel/cgroup/cgroup.c

index ea5a1ea..5d1fdf7 100644 (file)
@@ -5666,8 +5666,6 @@ int __init cgroup_init_early(void)
 }
 
 static u16 cgroup_disable_mask __initdata;
-static u16 cgroup_enable_mask __initdata;
-static int __init cgroup_disable(char *str);
 
 /**
  * cgroup_init - cgroup initialization
@@ -5707,12 +5705,6 @@ int __init cgroup_init(void)
 
        mutex_unlock(&cgroup_mutex);
 
-       /* Apply an implicit disable... */
-       cgroup_disable("memory");
-
-       /* ...knowing that an explicit enable will override it. */
-       cgroup_disable_mask &= ~cgroup_enable_mask;
-
        for_each_subsys(ss, ssid) {
                if (ss->early_init) {
                        struct cgroup_subsys_state *css =
@@ -6260,28 +6252,6 @@ static int __init cgroup_disable(char *str)
 }
 __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_enable_mask |= 1 << i;
-               }
-       }
-       return 1;
-}
-__setup("cgroup_enable=", cgroup_enable);
-
 void __init __weak enable_debug_cgroup(void) { }
 
 static int __init enable_cgroup_debug(char *str)