Commit 5a8b6e7c authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
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io_uring/zcrx: don't adjust free cache space 



The cache should be empty when io_pp_zc_alloc_netmems() is called,
that's promised by page pool and further checked, so there is no need to
recalculate the available space in io_zcrx_ring_refill().

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent c95257f3

io_uring/zcrx.c

+1 −1
Original line number Diff line number Diff line
@@ -759,7 +759,7 @@ static void io_zcrx_ring_refill(struct page_pool *pp, 
	guard(spinlock_bh)(&ifq->rq_lock);



	entries = io_zcrx_rqring_entries(ifq);

	entries = min_t(unsigned, entries, PP_ALLOC_CACHE_REFILL - pp->alloc.count);

	entries = min_t(unsigned, entries, PP_ALLOC_CACHE_REFILL);

	if (unlikely(!entries))

		return;