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sched: Move sched_autogroup_exit() to free_signal_struct()

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Per Oleg's suggestion, undo fork failure free/put_signal_struct change,
and move sched_autogroup_exit() to free_signal_struct() instead.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1294222564.8369.6.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Mike Galbraith 2011-01-05 11:16:04 +01:00 committed by Ingo Molnar
parent e9aa1dd19f
commit 1c5354de90
1 changed files with 3 additions and 4 deletions
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7
kernel/fork.c
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@ -169,15 +169,14 @@ EXPORT_SYMBOL(free_task);
static inline void free_signal_struct(struct signal_struct *sig)
{
taskstats_tgid_free(sig);
sched_autogroup_exit(sig);
kmem_cache_free(signal_cachep, sig);
}
static inline void put_signal_struct(struct signal_struct *sig)
{
if (atomic_dec_and_test(&sig->sigcnt)) {
sched_autogroup_exit(sig);
if (atomic_dec_and_test(&sig->sigcnt))
free_signal_struct(sig);
}
}
void __put_task_struct(struct task_struct *tsk)
@ -1318,7 +1317,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
}
bad_fork_cleanup_signal:
if (!(clone_flags & CLONE_THREAD))
put_signal_struct(p->signal);
free_signal_struct(p->signal);
bad_fork_cleanup_sighand:
__cleanup_sighand(p->sighand);
bad_fork_cleanup_fs: