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SubjectRe: [PATCH 49/52] mm/rmap: Convert the struct anon_vma::mutex to an rwsem
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On Sun, Dec 2, 2012 at 10:43 AM, Ingo Molnar <mingo@kernel.org> wrote:
> Convert the struct anon_vma::mutex to an rwsem, which will help
> in solving a page-migration scalability problem. (Addressed in
> a separate patch.)
>
> The conversion is simple and straightforward: in every case
> where we mutex_lock()ed we'll now down_write().

Looks good.

Reviewed-by: Michel Lespinasse <walken@google.com>

--
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.


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