diff options
| author | Thomas Gleixner <tglx@kernel.org> | 2026-08-07 17:07:17 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-08-16 00:16:32 +0200 |
| commit | 221b62e97811845340c888993ae049467399d2b5 (patch) | |
| tree | e4f4446c8c769c592f3714f1262d6b128cc06d23 /include/linux | |
| parent | c5f0bc9fd1cec4a00400cc727fcde03e0fde17cc (diff) | |
futex: Clean up the redundant exit/exec functions
futex_exit_release() and futex_exec_release() are identical now. That means
also exit_mm_release() and exec_mm_release() are identical.
Consolidate the whole lot and remove the redundant copies.
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Kyle Zeng <kylebot@openai.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/futex.h | 6 | ||||
| -rw-r--r-- | include/linux/sched/mm.h | 10 |
2 files changed, 8 insertions, 8 deletions
diff --git a/include/linux/futex.h b/include/linux/futex.h index 51d5faa1266f..18ed18d5cbc1 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -71,8 +71,7 @@ static inline void futex_init_task(struct task_struct *tsk) } void futex_exit_recursive(struct task_struct *tsk); -void futex_exit_release(struct task_struct *tsk); -void futex_exec_release(struct task_struct *tsk); +void futex_exit_exec_release(struct task_struct *tsk); void futex_exec_done(struct task_struct *tsk); long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, @@ -90,8 +89,7 @@ static inline int futex_hash_free(struct mm_struct *mm) { return 0; } #else /* CONFIG_FUTEX */ static inline void futex_init_task(struct task_struct *tsk) { } static inline void futex_exit_recursive(struct task_struct *tsk) { } -static inline void futex_exit_release(struct task_struct *tsk) { } -static inline void futex_exec_release(struct task_struct *tsk) { } +static inline void futex_exit_exec_release(struct task_struct *tsk) { } static inline void futex_exec_done(struct task_struct *tsk) { } static inline long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, u32 __user *uaddr2, u32 val2, u32 val3) diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 95d0040df584..7fe7dfd6f8be 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -155,10 +155,12 @@ extern struct mm_struct *get_task_mm(struct task_struct *task); * succeeds. */ extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode); -/* Remove the current tasks stale references to the old mm_struct on exit() */ -extern void exit_mm_release(struct task_struct *, struct mm_struct *); -/* Remove the current tasks stale references to the old mm_struct on exec() */ -extern void exec_mm_release(struct task_struct *, struct mm_struct *); + +/* + * Remove the current tasks stale references to the old mm_struct on exit() and + * exec(). Cleans up futexes as well. + */ +extern void mm_exit_exec_release(struct task_struct *, struct mm_struct *); #ifdef CONFIG_MEMCG extern void mm_update_next_owner(struct mm_struct *mm); |