Hello, On Thu, Sep 07, 2017 at 11:26:16AM +0200, Peter Zijlstra wrote: > TJ, I _think_ it was commit: > > deb7aa308ea2 ("cpuset: reorganize CPU / memory hotplug handling")
Heh, that's a while ago. > That wrecked things, but there's been so much changes in this area it is > really hard to tell. Note how before that commit it would > unconditionally rebuild the domains, and you 'optimized' that ;-) > > That commit also introduced the work to do the async rebuild and failed > to do that flush on resume. > > In any case, I think we should put a fixes tag on this commit such that > it gets picked up into stable kernels. Not sure anybody will try and > backport it into 4 year old kernels, but who knows. I see & sounds good to me. I see that the patch already got applied but FWIW, Acked-by: Tejun Heo <t...@kernel.org> Thanks! -- tejun