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 898F3C433F5 for ; Wed, 20 Apr 2022 19:15:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381649AbiDTTSa (ORCPT ); Wed, 20 Apr 2022 15:18:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358692AbiDTTS3 (ORCPT ); Wed, 20 Apr 2022 15:18:29 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 364D5344C4 for ; Wed, 20 Apr 2022 12:15:41 -0700 (PDT) Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 23KILN9f008668 for ; Wed, 20 Apr 2022 12:15:40 -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=hBNOCOKdA3DVylFquMeHzCtXHwAYxTakC5kZ2h0IbtLDgIxdxY5/kWWWTxWGUmIUCIxq 5VqvB6Vx4kaK6nJCLw/YFMnTZq5kfZiI3XB3V0mO1dHOh2kvanQd3DoRht1pcSFtjpr9 wanO0KtY265tCyn0MRJfLxulW7AOoyi8IZM= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fj9p1vy57-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 20 Apr 2022 12:15:40 -0700 Received: from twshared10896.25.frc3.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:11d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 20 Apr 2022 12:15:40 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 59736DE0C4B5; Wed, 20 Apr 2022 12:15:27 -0700 (PDT) From: Stefan Roesch To: , CC: Subject: [PATCH v2 2/6] liburing: increase mmap size for large CQE's Date: Wed, 20 Apr 2022 12:15:20 -0700 Message-ID: <20220420191524.2906409-3-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220420191524.2906409-1-shr@fb.com> References: <20220420191524.2906409-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: QtDLkiOBtxlUSLHg02nylWyQvq8mQziU X-Proofpoint-GUID: QtDLkiOBtxlUSLHg02nylWyQvq8mQziU 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=2022-04-20_05,2022-04-20_01,2022-02-23_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