diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 2166c2d92ddc..8361a560cd1d 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -422,7 +422,7 @@ retry: * freed task structure. */ if (atomic_read(&mm->mm_users) <= 1) { - mm->owner = NULL; + WRITE_ONCE(mm->owner, NULL); return; } @@ -462,7 +462,7 @@ retry: * most likely racing with swapoff (try_to_unuse()) or /proc or * ptrace or page migration (get_task_mm()). Mark owner as NULL. */ - mm->owner = NULL; + WRITE_ONCE(mm->owner, NULL); return; assign_new_owner: @@ -483,7 +483,7 @@ assign_new_owner: put_task_struct(c); goto retry; } - mm->owner = c; + WRITE_ONCE(mm->owner, c); task_unlock(c); put_task_struct(c); } |