[PATCH 0/4] mempolicy: get_task_policy() cleanups/preparations

[Oleg Nesterov]

On 08/20, Oleg Nesterov wrote:
>
> With this change the only user of proc_maps_private->task is
> hold_task_mempolicy/release_task_mempolicy. I believe this code is buggy
> and should die, but this needs the changes in mm/mempolicy.c.

I belive that 9e7814404b77c3e8 "hold task->mempolicy while numa_maps scans"
was wrong and it doesn't fix the problem.

I'll try to send the fix tomorrow, could you review the initial preparations?
To me, these changes make sense as cleanups in any case, but I don't really
understand this code and this was only compile tested.

Oleg.

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