Merge branch 'timers/drivers/davinci' into timers/drivers/next

[linux-2.6-microblaze.git] / mm / util.c

diff --git a/mm/util.c b/mm/util.c
index 91682a2..9834c4a 100644 (file)
--- a/mm/util.c
+++ b/mm/util.c
@@ -718,12 +718,12 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen)
        if (!mm->arg_end)
                goto out_mm;    /* Shh! No looking before we're done */
 
-       down_read(&mm->mmap_sem);
+       spin_lock(&mm->arg_lock);
        arg_start = mm->arg_start;
        arg_end = mm->arg_end;
        env_start = mm->env_start;
        env_end = mm->env_end;
-       up_read(&mm->mmap_sem);
+       spin_unlock(&mm->arg_lock);
 
        len = arg_end - arg_start;