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Miller" , Jakub Kicinski , David Ahern , Eric Dumazet , Willem de Bruijn Subject: [RFC 4/6] io_uring/notif: remove ctx var from io_notif_tw_complete Date: Fri, 12 Apr 2024 13:55:25 +0100 Message-ID: X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-State: RFC We don't need ctx in the hottest path, i.e. registered buffers, let's get it only when we need it. Signed-off-by: Pavel Begunkov --- io_uring/notif.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/io_uring/notif.c b/io_uring/notif.c index 5a8b2fdd67fd..53532d78a947 100644 --- a/io_uring/notif.c +++ b/io_uring/notif.c @@ -12,13 +12,12 @@ void io_notif_tw_complete(struct io_kiocb *notif, struct io_tw_state *ts) { struct io_notif_data *nd = io_notif_to_data(notif); - struct io_ring_ctx *ctx = notif->ctx; if (unlikely(nd->zc_report) && (nd->zc_copied || !nd->zc_used)) notif->cqe.res |= IORING_NOTIF_USAGE_ZC_COPIED; - if (nd->account_pages && ctx->user) { - __io_unaccount_mem(ctx->user, nd->account_pages); + if (nd->account_pages && notif->ctx->user) { + __io_unaccount_mem(notif->ctx->user, nd->account_pages); nd->account_pages = 0; } io_req_task_complete(notif, ts);