[PATCH 0/4] mempolicy: fix show_numa_map() vs exec() + do_set_mempolicy() race

[Oleg Nesterov]

On 08/20, Oleg Nesterov wrote:
>
> I belive that 9e7814404b77c3e8 "hold task->mempolicy while numa_maps scans"
> was wrong and it doesn't fix the problem.

See 2/4.

> 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.

Untested again because I do not know how, please review ;) On top of
"mempolicy: get_task_policy() cleanups/preparations" series.

I'll send the final cleanups later.

Oleg.

 fs/proc/task_mmu.c        |   33 ++++++-----------------
 include/linux/mempolicy.h |    5 ++-
 mm/mempolicy.c            |   64 +++++++++++++++++++-------------------------
 3 files changed, 40 insertions(+), 62 deletions(-)

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