Nathan Lynch <nath...@linux.ibm.com> writes: > I'm satisfied that this change does not reintroduce that problem. The > removal path still derives the node without going to the device tree, > but now performs a more efficient lookup.
Er, actually it's slightly less efficient in the remove path, as you note in your commit message. This doesn't alter my opinion of the change. The higher-level algorithmic inefficiencies (e.g. all the for_each_drmem_lmb loops) in this code are more of a concern.
