Messages in this thread | | | Date | Sun, 2 Dec 2012 16:10:48 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 1/2] mm/rmap: Convert the struct anon_vma::mutex to an rwsem |
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* Rik van Riel <riel@redhat.com> wrote:
> On 12/01/2012 03:10 PM, Ingo Molnar 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(). > > > >Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> > >Cc: Andrew Morton <akpm@linux-foundation.org> > >Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> > >Cc: Andrea Arcangeli <aarcange@redhat.com> > >Cc: Rik van Riel <riel@redhat.com> > >Cc: Mel Gorman <mgorman@suse.de> > >Cc: Hugh Dickins <hughd@google.com> > >Signed-off-by: Ingo Molnar <mingo@kernel.org> > > Reviewed-by: Rik van Riel <riel@redhat.com>
Thanks Rik!
Ingo
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