---

yaml --- r: 23575 b: refs/heads/master c: 05eeae2 h: refs/heads/master i: 23573: 7147b44 23571: cd412cc 23567: 333fdf6 v: v3
git-mirror · Mar 25, 2006 · c6f3805 · c6f3805
1 parent f0e96ec
commit c6f3805
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c1f5a1944657ba6abe375e3bb2a3238a46849f70
+refs/heads/master: 05eeae208d08a05a6980cf2ff61f02843c0955fd
diff --git a/trunk/kernel/kthread.c b/trunk/kernel/kthread.c
@@ -115,7 +115,9 @@ static void keventd_create_kthread(void *_create)
 		create->result = ERR_PTR(pid);
 	} else {
 		wait_for_completion(&create->started);
+		read_lock(&tasklist_lock);
 		create->result = find_task_by_pid(pid);
+		read_unlock(&tasklist_lock);
 	}
 	complete(&create->done);
 }

diff --git a/trunk/mm/vmscan.c b/trunk/mm/vmscan.c
@@ -1356,7 +1356,9 @@ static int __init kswapd_init(void)
 
 		pid = kernel_thread(kswapd, pgdat, CLONE_KERNEL);
 		BUG_ON(pid < 0);
+		read_lock(&tasklist_lock);
 		pgdat->kswapd = find_task_by_pid(pid);
+		read_unlock(&tasklist_lock);
 	}
 	total_memory = nr_free_pagecache_pages();
 	hotcpu_notifier(cpu_callback, 0);