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H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230016)(4636009)(136003)(346002)(376002)(396003)(39860400002)(36840700001)(40470700004)(46966006)(478600001)(107886003)(16526019)(186003)(1076003)(2616005)(36756003)(7696005)(41300700001)(6666004)(110136005)(2906002)(316002)(54906003)(8936002)(5660300002)(86362001)(47076005)(82310400005)(81166007)(336012)(356005)(82740400003)(426003)(40460700003)(6286002)(26005)(36860700001)(40480700001)(83380400001)(55016003)(70206006)(70586007)(4326008)(8676002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2022 08:10:04.0370 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 379b438b-cf70-4124-499c-08da5e5dc419 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.236]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT032.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6605 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org When allocating multi segmented buffers, and in case there is a remainder in total buf len, the actual job len might be more than expected job_len. This adds additional space in the mbuf in the multi seg case, to allow the remaining memory to be stored in one segment. Fixes: c1d1b94eec58 ("app/regex: fix number of matches") Cc: ggribbon@nvidia.com Cc: stable@dpdk.org Signed-off-by: Raslan Darawsheh Acked-by: Ori Kam --- app/test-regex/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/app/test-regex/main.c b/app/test-regex/main.c index 7c014b2210..db6a315abe 100644 --- a/app/test-regex/main.c +++ b/app/test-regex/main.c @@ -412,8 +412,8 @@ run_regex(void *args) mbuf_mp = rte_pktmbuf_pool_create(mbuf_pool, rte_align32pow2(nb_jobs * nb_qps * nb_segs), 0, 0, (nb_segs == 1) ? MBUF_SIZE : - (rte_align32pow2(job_len) / nb_segs + - RTE_PKTMBUF_HEADROOM), + (rte_align32pow2(job_len + (data_len % nb_jobs)) / + nb_segs + RTE_PKTMBUF_HEADROOM), rte_socket_id()); if (mbuf_mp == NULL) { printf("Error, can't create memory pool\n"); -- 2.25.1