| commit | 55cfaa3cbdd29c4919ecb5fb8965c310f357e48c | [log] [tgz] |
|---|---|---|
| author | Zeng Zhaoming <zengzm.kernel@gmail.com> | Thu Dec 02 14:31:13 2010 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Thu Dec 02 14:51:14 2010 -0800 |
| tree | 914fad20ce59c42bd3781820c8fb73286581a5ae | |
| parent | 1f64d69c7ad2e48e697493e45590679f7a69b7b2 [diff] |
mm/mempolicy.c: add rcu read lock to protect pid structure find_task_by_vpid() should be protected by rcu_read_lock(), to prevent free_pid() reclaiming pid. Signed-off-by: Zeng Zhaoming <zengzm.kernel@gmail.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>