io_uring/zcrx: warn on alloc with non-empty pp cache

Page pool ensures the cache is empty before asking to refill it. Warn if
the assumption is violated.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://patch.msgid.link/9c9792d6e65f3780d57ff83b6334d341ed9a5f29.1774261953.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2026-03-23 12:43:59 +00:00 • committed by Jens Axboe
commit 48f253d65d