diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm_types.h | 2 | ||||
| -rw-r--r-- | include/linux/sched.h | 14 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 903200f4ec41..4a8acedf4b7d 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -515,9 +515,7 @@ struct mm_struct { #ifdef CONFIG_HUGETLB_PAGE atomic_long_t hugetlb_usage; #endif -#ifdef CONFIG_MMU struct work_struct async_put_work; -#endif }; static inline void mm_init_cpumask(struct mm_struct *mm) diff --git a/include/linux/sched.h b/include/linux/sched.h index 67ea79610e67..c4b588358296 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2877,6 +2877,20 @@ static inline void mmdrop(struct mm_struct *mm) __mmdrop(mm); } +static inline void mmdrop_async_fn(struct work_struct *work) +{ + struct mm_struct *mm = container_of(work, struct mm_struct, async_put_work); + __mmdrop(mm); +} + +static inline void mmdrop_async(struct mm_struct *mm) +{ + if (unlikely(atomic_dec_and_test(&mm->mm_count))) { + INIT_WORK(&mm->async_put_work, mmdrop_async_fn); + schedule_work(&mm->async_put_work); + } +} + static inline bool mmget_not_zero(struct mm_struct *mm) { return atomic_inc_not_zero(&mm->mm_users); |