X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fexit.c;h=e95b932822109e6bd517eee9a67876fedc91b426;hb=2c56554ec596adadd562679ef672d83e290f1732;hp=bc0ec674d3f4c4fde1332dacc7e436d63a81c5e5;hpb=d1127e40e8d75cd3855e35424937c73d0bcec558;p=linux-2.6

diff --git a/kernel/exit.c b/kernel/exit.c
index bc0ec674d3..e95b932822 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -34,6 +34,8 @@
 #include <linux/mutex.h>
 #include <linux/futex.h>
 #include <linux/compat.h>
+#include <linux/pipe_fs_i.h>
+#include <linux/audit.h> /* for audit_free() */
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -55,7 +57,7 @@ static void __unhash_process(struct task_struct *p)
 		detach_pid(p, PIDTYPE_PGID);
 		detach_pid(p, PIDTYPE_SID);
 
-		list_del_init(&p->tasks);
+		list_del_rcu(&p->tasks);
 		__get_cpu_var(process_counts)--;
 	}
 	list_del_rcu(&p->thread_group);
@@ -127,6 +129,11 @@ static void __exit_signal(struct task_struct *tsk)
 	}
 }
 
+static void delayed_put_task_struct(struct rcu_head *rhp)
+{
+	put_task_struct(container_of(rhp, struct task_struct, rcu));
+}
+
 void release_task(struct task_struct * p)
 {
 	int zap_leader;
@@ -168,7 +175,7 @@ repeat:
 	spin_unlock(&p->proc_lock);
 	proc_pid_flush(proc_dentry);
 	release_thread(p);
-	put_task_struct(p);
+	call_rcu(&p->rcu, delayed_put_task_struct);
 
 	p = leader;
 	if (unlikely(zap_leader))
@@ -904,6 +911,8 @@ fastcall NORET_TYPE void do_exit(long code)
 	if (unlikely(tsk->compat_robust_list))
 		compat_exit_robust_list(tsk);
 #endif
+	if (unlikely(tsk->audit_context))
+		audit_free(tsk);
 	exit_mm(tsk);
 
 	exit_sem(tsk);
@@ -936,6 +945,9 @@ fastcall NORET_TYPE void do_exit(long code)
 	if (tsk->io_context)
 		exit_io_context();
 
+	if (tsk->splice_pipe)
+		__free_pipe_info(tsk->splice_pipe);
+
 	/* PF_DEAD causes final put_task_struct after we schedule. */
 	preempt_disable();
 	BUG_ON(tsk->flags & PF_DEAD);