From e4f8dcac9df68d68dd4364cd2b437064f53993a3 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Fri, 25 Oct 2024 17:14:23 +0100 Subject: [PATCH] Revert "cgroup: Disable cgroup "memory" by default" This reverts commit 7be0cdfff342592aa12ef717ddec9b1beb417f42. Signed-off-by: Phil Elwell --- kernel/cgroup/cgroup.c | 38 -------------------------------------- 1 file changed, 38 deletions(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 3404814b10c7e3..5886b95c6eaee6 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6148,9 +6148,6 @@ int __init cgroup_init_early(void) return 0; } -static u16 cgroup_enable_mask __initdata; -static int __init cgroup_disable(char *str); - /** * cgroup_init - cgroup initialization * @@ -6184,12 +6181,6 @@ int __init cgroup_init(void) cgroup_unlock(); - /* - * Apply an implicit disable, knowing that an explicit enable will - * prevent if from doing anything. - */ - cgroup_disable("memory"); - for_each_subsys(ss, ssid) { if (ss->early_init) { struct cgroup_subsys_state *css = @@ -6836,10 +6827,6 @@ static int __init cgroup_disable(char *str) strcmp(token, ss->legacy_name)) continue; - /* An explicit cgroup_enable overrides a disable */ - if (cgroup_enable_mask & (1 << i)) - continue; - static_branch_disable(cgroup_subsys_enabled_key[i]); pr_info("Disabling %s control group subsystem\n", ss->name); @@ -6858,31 +6845,6 @@ 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; - static_branch_enable(cgroup_subsys_enabled_key[i]); - pr_info("Enabling %s control group subsystem\n", - ss->name); - } - } - return 1; -} -__setup("cgroup_enable=", cgroup_enable); - void __init __weak enable_debug_cgroup(void) { } static int __init enable_cgroup_debug(char *str)