diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 12aa02249c33..30e64162af4b 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -401,7 +401,7 @@ struct mm_struct { spinlock_t ioctx_lock; struct hlist_head ioctx_list; #endif -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG /* * "owner" points to a task that is regarded as the canonical * user/owner of this mm. All of the following must be true in diff --git a/include/linux/sched.h b/include/linux/sched.h index c85d600cfa1b..a22466a391be 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -3008,7 +3008,7 @@ static inline void inc_syscw(struct task_struct *tsk) #define TASK_SIZE_OF(tsk) TASK_SIZE #endif -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG extern void mm_update_next_owner(struct mm_struct *mm); extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p); #else @@ -3019,7 +3019,7 @@ static inline void mm_update_next_owner(struct mm_struct *mm) static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) { } -#endif /* CONFIG_MM_OWNER */ +#endif /* CONFIG_MEMCG */ static inline unsigned long task_rlimit(const struct task_struct *tsk, unsigned int limit) diff --git a/init/Kconfig b/init/Kconfig index 66d9cfd754f6..24a0014e293a 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -876,7 +876,6 @@ config RESOURCE_COUNTERS config MEMCG bool "Memory Resource Controller for Control Groups" depends on RESOURCE_COUNTERS - select MM_OWNER help Provides a memory resource controller that manages both anonymous memory and page cache. (See Documentation/cgroups/memory.txt) @@ -893,9 +892,6 @@ config MEMCG disable memory resource controller and you can avoid overheads. (and lose benefits of memory resource controller) - This config option also selects MM_OWNER config option, which - could in turn add some fork/exit overhead. - config MEMCG_SWAP bool "Memory Resource Controller Swap Extension" depends on MEMCG && SWAP @@ -1158,9 +1154,6 @@ config SCHED_AUTOGROUP desktop applications. Task group autogeneration is currently based upon task session. -config MM_OWNER - bool - config SYSFS_DEPRECATED bool "Enable deprecated sysfs features to support old userspace tools" depends on SYSFS diff --git a/kernel/exit.c b/kernel/exit.c index 942d4db3adad..e6d5d21c7337 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -363,7 +363,7 @@ int disallow_signal(int sig) EXPORT_SYMBOL(disallow_signal); -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG /* * A task is exiting. If it owned this mm, find a new owner for the mm. */ @@ -449,7 +449,7 @@ assign_new_owner: task_unlock(c); put_task_struct(c); } -#endif /* CONFIG_MM_OWNER */ +#endif /* CONFIG_MEMCG */ /* * Turn us into a lazy TLB process if we diff --git a/kernel/fork.c b/kernel/fork.c index 3afec6f201f0..cad09317184b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1170,12 +1170,12 @@ static void rt_mutex_init_task(struct task_struct *p) #endif } -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG void mm_init_owner(struct mm_struct *mm, struct task_struct *p) { mm->owner = p; } -#endif /* CONFIG_MM_OWNER */ +#endif /* CONFIG_MEMCG */ /* * Initialize POSIX timer handling for a single task.