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authorMike Galbraith <efault@gmx.de>2011-01-05 11:16:04 +0100
committerIngo Molnar <mingo@elte.hu>2011-01-07 15:54:39 +0100
commit1c5354de90c900b369e2ebd36c3a065ede29eb93 (patch)
tree3144205e179f8c4503db06e8da95b604d1640b68 /kernel/fork.c
parente9aa1dd19fe49b5aed3ca94aab87576e534d2a39 (diff)
downloadlinux-1c5354de90c900b369e2ebd36c3a065ede29eb93.tar.gz
sched: Move sched_autogroup_exit() to free_signal_struct()
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>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 7d164e25b0f0..dc1a8bbcea7b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -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 @@ bad_fork_cleanup_mm:
 	}
 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: