Re: [merged] mm-mempolicyc-add-rcu-read-lock-to-protect-pid-structure.patch removed from -mm tree

[KOSAKI Motohiro]

> 
> The patch titled
>      mm/mempolicy.c: add rcu read lock to protect pid structure
> has been removed from the -mm tree.  Its filename was
>      mm-mempolicyc-add-rcu-read-lock-to-protect-pid-structure.patch
> 
> This patch was dropped because it was merged into mainline or a subsystem tree
> 
> The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
> 
> ------------------------------------------------------
> Subject: mm/mempolicy.c: add rcu read lock to protect pid structure
> From: Zeng Zhaoming <zengzm.kernel@xxxxxxxxx>
> 
> find_task_by_vpid() should be protected by rcu_read_lock(), to prevent
> free_pid() reclaiming pid.
> 
> Signed-off-by: Zeng Zhaoming <zengzm.kernel@xxxxxxxxx>
> Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>


Andrew, please consider pick following patch too.



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