[PATCH] Revert "mm: add nodes= arg to memory.reclaim"

[Michal Hocko]

Andrew,
I have noticed that the patch made it into Linus tree already. Can we
please revert it because the semantic is not really clear and we should
really not create yet another user API maintenance problem. I am
proposing to revert the nodemask extension for now before we grow any
upstream users. Deeper in the email thread are some proposals how to
move forward with that.
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