[PATCH v2 0/1] mm: fix the theoretical compound_lock() vsprep_new_page() race

[Oleg Nesterov]

On 12/23, Andrea Arcangeli wrote:
>
> Acked-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
>
> Only one improvement possible, the smp_wmb() could have been put under
> CONFIG_TRANSPARENT_HUGEPAGE somehow. No difference for x86-64 though.

I thought it would be better to serialize it with get_page_unless_zero()
in general, but OK, As the changelog says I didn't find another problematic
caller, so please see v2. I preserved your ack, thanks.

And I would like to know your opinion about other changes I sent ;)

Oleg.

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