Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-10-25 22:44:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

tasks: add put_task_struct_many()

Browse Source 
put_task_struct_many() is as put_task_struct() but puts several
references at once. Useful to batching it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-07-18 11:32:51 +03:00 committed by Jens Axboe
parent cbcf72148d
commit dd6f843a9f
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/linux/sched/task.h
View File

@ -126,6 +126,12 @@ static inline void put_task_struct(struct task_struct *t)
__put_task_struct(t);
}
static inline void put_task_struct_many(struct task_struct *t, int nr)
{
if (refcount_sub_and_test(nr, &t->usage))
__put_task_struct(t);
}
void put_task_struct_rcu_user(struct task_struct *task);
#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT