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 <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Andrea Arcangeli <[email protected]> > Cc: Rik van Riel <[email protected]> > Cc: Mel Gorman <[email protected]> > Cc: Hugh Dickins <[email protected]> > Signed-off-by: Ingo Molnar <[email protected]>
Confirmation from the RT people that they're ok with this would be nice but otherwise Acked-by: Mel Gorman <[email protected]> -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
