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-rw-r--r--include/linux/taskstats_kern.h13
-rw-r--r--kernel/exit.c1
-rw-r--r--kernel/fork.c1
3 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index 16894b7..a437ca0 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -49,17 +49,8 @@ static inline void taskstats_tgid_alloc(struct signal_struct *sig)
static inline void taskstats_tgid_free(struct signal_struct *sig)
{
- struct taskstats *stats = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&sig->stats_lock, flags);
- if (sig->stats) {
- stats = sig->stats;
- sig->stats = NULL;
- }
- spin_unlock_irqrestore(&sig->stats_lock, flags);
- if (stats)
- kmem_cache_free(taskstats_cache, stats);
+ if (sig->stats)
+ kmem_cache_free(taskstats_cache, sig->stats);
}
extern void taskstats_exit_alloc(struct taskstats **, unsigned int *);
diff --git a/kernel/exit.c b/kernel/exit.c
index f250a5e..06de6c4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -128,6 +128,7 @@ static void __exit_signal(struct task_struct *tsk)
flush_sigqueue(&tsk->pending);
if (sig) {
flush_sigqueue(&sig->shared_pending);
+ taskstats_tgid_free(sig);
__cleanup_signal(sig);
}
}
diff --git a/kernel/fork.c b/kernel/fork.c
index 29ebb30..2133266 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -897,7 +897,6 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
void __cleanup_signal(struct signal_struct *sig)
{
exit_thread_group_keys(sig);
- taskstats_tgid_free(sig);
kmem_cache_free(signal_cachep, sig);
}
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