Nick Piggin wrote:
> The question is, why is that not enough (I haven't looked at these
> patches enough to work out if there is anything more they provide).
I think, it just takes trying things out. From reading the code, I
think this should work well for the filemap_xip code with no struct page.
Also, we need eliminate nopage() to get rid of the struct page.
Unfortunately I don't find time to try this out for now, and on 390 we
can live with struct page for the time being. In contrast to the
embedded platforms, the mem_mep array gets swapped out to disk by our
hypervisor.
Can you help me understand the comment about nopage()? Do you mean
set xip_file_vm_ops.nopage to NULL?
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