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Full story in Alistair's patches, but this a side effect of bypassing the page allocator for instantiating file-backed mappings. > but I no longer care about DAX, and there's no reason to > let DAX hold us back from removing page->index. Question is whether to move ahead with this now and have Alistair rebase, or push ahead with getting Alistair's series into -next? I am hoping that Alistair's series can move ahead this cycle, but still catching up on the latest after the holiday break.