On Tue, 22 Nov 2011 11:19:24 +0530 "Srivatsa S. Bhat" [off-list ref] wrote:

quoted

Subject    : khugepaged blocks suspend2ram (3.2.0-rc1-00252-g8f042aa)
Submitter  : Sergei Trofimovich [off-list ref]
Date       : 2011-11-12 10:48
Message-ID : 20111112104859.7744b282@sf.home
References : https://lkml.org/lkml/2011/11/12/11

Andrea's patch already fixes this issue, which was reported first by
Jiri Slaby. https://lkml.org/lkml/2011/11/11/93
I remember Andrew Morton taking this patch in his -mm tree. But it is
not in mainline yet. So can we consider this closed or not?

grr, nothing in that patch's changelog indicates that it fixed a
regression nor that it fixed an infinite blockage of suspend.

I moved it to my 3.2 queue, thanks.