Re: [PATCH 2/3] mm: support fallible mempool_alloc_bulk()

[Christoph Hellwig]

On Thu, Aug 06, 2026 at 03:10:30PM -0700, Eric Biggers wrote:
> To fix a deadlock, blk-crypto-fallback needs to be able to make fallible
> mempool_alloc_bulk() allocations.

It doesn't.  fallible mempool allocations are a concept that doesn't
make much sense.  Please just go straight to the backing page allocator
instead for callers that do not need the mempool guarantees.