On Thu, Apr 09, 2020 at 03:25:03PM -0700, Andrii Nakryiko wrote:

cc Johannes who suggested this API call originally

I forgot why we did it this way - probably just cruft begetting more
cruft. Either way, Christoph's cleanup makes this look a lot better.

On Wed, Apr 8, 2020 at 5:03 AM Christoph Hellwig [off-list ref] wrote:

quoted

Open code it in __bpf_map_area_alloc, which is the only caller.  Also
clean up __bpf_map_area_alloc to have a single vmalloc call with
slightly different flags instead of the current two different calls.

For this to compile for the nommu case add a __vmalloc_node_range stub
to nommu.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>