Messages in this thread | | | Date | Sat, 01 Dec 2012 15:19:21 -0500 | From | Rik van Riel <> | Subject | Re: [PATCH 1/2] mm/rmap: Convert the struct anon_vma::mutex to an rwsem |
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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>
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