Messages in this thread | | | Date | Fri, 19 May 2023 12:21:58 -0400 | From | Kent Overstreet <> | Subject | Re: [RFC PATCH 1/5] mm: intorduce __GFP_UNMAPPED and unmapped_alloc() |
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On Fri, May 19, 2023 at 07:14:14PM +0300, Mike Rapoport wrote: > Unfortunately not because we still need to map the pages in the modules > area which is essentially a subset of vmalloc address space.
Why wouldn't we be doing that once per 2 MB page?
> > > If I have time (hah! big if :) I'll see if I can cook up a patchset that > > combines our two approaches over the weekend. > > Now there is also an interest about unmapped allocations from KVM folks, so > I might continue pursuing unmapped allocator, probably just without a new > GFP flag and hooks into page allocator.
Cool - it does seem like a generally valuable capability :)
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