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| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-09-16 15:28:00 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-09-16 12:37:21 -0600 |
| commit | 5a8b6e7c1d7b5863faaf392eafa089bd599a8973 (patch) | |
| tree | ee753863538cd213c97ab3746349a9b108afec2b | |
| parent | io_uring/zcrx: use guards for the refill lock (diff) | |
| download | linux-5a8b6e7c1d7b5863faaf392eafa089bd599a8973.tar.gz linux-5a8b6e7c1d7b5863faaf392eafa089bd599a8973.zip | |
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: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/zcrx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c index 630b19ebb47e..a805f744c774 100644 --- a/io_uring/zcrx.c +++ b/io_uring/zcrx.c @@ -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; |