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Groups > linux.kernel > #1356006

[PATCH 04/10] signal: make put_signal_struct() public

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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

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[PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Tejun Heo <tj@kernel.org> - 2016-03-11 16:50 +0100
  [PATCH 03/10] cgroup: introduce CGRP_MIGRATE_* flags Tejun Heo <tj@kernel.org> - 2016-03-11 16:50 +0100
  [PATCH 04/10] signal: make put_signal_struct() public Tejun Heo <tj@kernel.org> - 2016-03-11 16:50 +0100
  [PATCH 10/10] cgroup, sched: implement PRIO_RGRP for {set|get}priority() Tejun Heo <tj@kernel.org> - 2016-03-11 16:50 +0100
  [PATCH 08/10] cgroup: implement rgroup control mask handling Tejun Heo <tj@kernel.org> - 2016-03-11 16:50 +0100
  Example program for PRIO_RGRP Tejun Heo <tj@kernel.org> - 2016-03-11 17:10 +0100
  Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-03-12 07:30 +0100
    Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-03-12 18:10 +0100
      cgroup NAKs ignored? Re: [PATCHSET RFC cgroup/for-4.6] cgroup,  sched: implement resource group and PRIO_RGRP Ingo Molnar <mingo@kernel.org> - 2016-03-12 18:20 +0100
        Re: cgroup NAKs ignored? Re: [PATCHSET RFC cgroup/for-4.6] cgroup,  sched: implement resource group and PRIO_RGRP Tejun Heo <tj@kernel.org> - 2016-03-13 15:50 +0100
    Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Tejun Heo <tj@kernel.org> - 2016-03-13 16:10 +0100
      Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-03-13 18:50 +0100
      Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-03-14 03:30 +0100
  Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Peter Zijlstra <peterz@infradead.org> - 2016-03-14 12:40 +0100
  Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource  group and PRIO_RGRP Michal Hocko <mhocko@kernel.org> - 2016-03-15 18:30 +0100

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