[PATCH 04/10] signal: make put_signal_struct() public
From: Tejun Heo <tj@kernel.org>
Date: 2016-03-11 15:42:00
Also in:
cgroups, lkml
Subsystem:
exec & binfmt api, elf, memory management - core, scheduler, the rest · Maintainers:
Kees Cook, Andrew Morton, David Hildenbrand, Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
This will be used from cgroup while implementing in-process resource control. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Oleg Nesterov <oleg@redhat.com> --- include/linux/sched.h | 2 ++ kernel/fork.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f1e81e1..80d6ed1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h@@ -2034,6 +2034,8 @@ static inline int is_global_init(struct task_struct *tsk) extern struct pid *cad_pid; +extern void put_signal_struct(struct signal_struct *sig); + extern void free_task(struct task_struct *tsk); #define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
diff --git a/kernel/fork.c b/kernel/fork.c
index 2e391c7..fd826de 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c@@ -239,7 +239,7 @@ static inline void free_signal_struct(struct signal_struct *sig) kmem_cache_free(signal_cachep, sig); } -static inline void put_signal_struct(struct signal_struct *sig) +void put_signal_struct(struct signal_struct *sig) { if (atomic_dec_and_test(&sig->sigcnt)) free_signal_struct(sig);
--
2.5.0