From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6B56C433FE for ; Mon, 25 Apr 2022 18:51:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244649AbiDYSyr (ORCPT ); Mon, 25 Apr 2022 14:54:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244645AbiDYSyn (ORCPT ); Mon, 25 Apr 2022 14:54:43 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FACCB7C54 for ; Mon, 25 Apr 2022 11:51:39 -0700 (PDT) Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23PHP6Je006698 for ; Mon, 25 Apr 2022 11:51:39 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=pYa4g3addtGNqV13Mi43MvmmofNWC/HcMOY/BfkWtfo=; b=jmc24dSJcUAwtGHQDgv2OIc47z7xeObFflXKPMbVCo+VrM4eVtWTvbXOeb5ebzfubuYW xU51Vr3hEDUhoY6CjwWhu644FEaA06NVrEOPuEskBbUHZnMz5/rFoHC4aPvv+KSV0Afz GyHFSJXmyRo4RgJherjwAOwNigOT21Yot0Y= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fmdgfvms9-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 25 Apr 2022 11:51:38 -0700 Received: from twshared10896.25.frc3.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:21d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 25 Apr 2022 11:51:37 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 19680E1F5C88; Mon, 25 Apr 2022 11:51:31 -0700 (PDT) From: Stefan Roesch To: , CC: , Subject: [PATCH v4 2/6] liburing: increase mmap size for large CQE's Date: Mon, 25 Apr 2022 11:51:24 -0700 Message-ID: <20220425185128.2537966-3-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220425185128.2537966-1-shr@fb.com> References: <20220425185128.2537966-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: 7Yj4ETa7jrZHGzU2RDU8zOYmA_fvzQpt X-Proofpoint-GUID: 7Yj4ETa7jrZHGzU2RDU8zOYmA_fvzQpt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-25_10,2022-04-25_03,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This doubles the mmap size for large CQE's. Signed-off-by: Stefan Roesch --- src/setup.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/setup.c b/src/setup.c index aec8b33..dd6a712 100644 --- a/src/setup.c +++ b/src/setup.c @@ -21,8 +21,12 @@ static int io_uring_mmap(int fd, struct io_uring_param= s *p, size_t size; int ret; =20 + size =3D sizeof(struct io_uring_cqe); + if (p->flags & IORING_SETUP_CQE32) + size +=3D sizeof(struct io_uring_cqe); + sq->ring_sz =3D p->sq_off.array + p->sq_entries * sizeof(unsigned); - cq->ring_sz =3D p->cq_off.cqes + p->cq_entries * sizeof(struct io_uring= _cqe); + cq->ring_sz =3D p->cq_off.cqes + p->cq_entries * size; =20 if (p->features & IORING_FEAT_SINGLE_MMAP) { if (cq->ring_sz > sq->ring_sz) --=20 2.30.2