Messages in this thread | | | Date | Mon, 3 Dec 2012 13:59:34 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH 1/2] mm/rmap: Convert the struct anon_vma::mutex to an rwsem |
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On Sat, Dec 01, 2012 at 09:10:30PM +0100, 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>
Confirmation from the RT people that they're ok with this would be nice but otherwise
Acked-by: Mel Gorman <mgorman@suse.de>
-- Mel Gorman SUSE Labs
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