Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index 7661152538074ee8018be8b87e1600021be5dc27..352de555626c4434471a53e29bee7a02516adfe3 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1287,14 +1287,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
                return -EPERM;
 
        /* Find the mm_struct */
-       read_lock(&tasklist_lock);
+       rcu_read_lock();
        task = pid ? find_task_by_vpid(pid) : current;
        if (!task) {
-               read_unlock(&tasklist_lock);
+               rcu_read_unlock();
                return -ESRCH;
        }
        mm = get_task_mm(task);
-       read_unlock(&tasklist_lock);
+       rcu_read_unlock();
 
        if (!mm)
                return -EINVAL;