Re: [PATCH v2 bpf 2/3] module: introduce module_alloc_huge

[Christoph Hellwig]

On Mon, Apr 11, 2022 at 04:35:47PM -0700, Song Liu wrote:
> Introduce module_alloc_huge, which allocates huge page backed memory in
> module memory space. The primary user of this memory is bpf_prog_pack
> (multiple BPF programs sharing a huge page).

I kow I lead you downthis road first, but I wonder if we just want to
pass a flag to module_alloc instead.  This avoids duplicating all the
arch overrides.