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 <torva...@linux-foundation.org> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Cc: Andrea Arcangeli <aarca...@redhat.com> Cc: Rik van Riel <r...@redhat.com> Cc: Mel Gorman <mgor...@suse.de> Cc: Hugh Dickins <hu...@google.com> Signed-off-by: Ingo Molnar <mi...@kernel.org>
Reviewed-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/