From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4700D4687C; Wed, 4 Jun 2025 18:03:49 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 365FC42E67; Wed, 4 Jun 2025 18:03:49 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 79F9342E45 for ; Wed, 4 Jun 2025 18:03:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749053028; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mDyypYhoIT1iMYmkdxn+L4cm8Aoc1BJZdIN3xProyU4=; b=M3UfmpOjqMrOEi02uBFZXsVLggaLkz/JDSQEJpJJVNv87FQd5vczXitcMihNXGvqe2i8mp +qV2gQDZcwqrubgKKJIMByggOqNBfT0GyxNajOqFjDng/+Jejs3/+HX2n+qRTwNsBUiBuL nNuRf4s2f8oMw9t71Pg0MbnXzK25UWk= Received: from mail-lf1-f69.google.com (mail-lf1-f69.google.com [209.85.167.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-611-EcVBjKBoM3-Rv6gLs1sDhw-1; Wed, 04 Jun 2025 12:03:45 -0400 X-MC-Unique: EcVBjKBoM3-Rv6gLs1sDhw-1 X-Mimecast-MFC-AGG-ID: EcVBjKBoM3-Rv6gLs1sDhw_1749053024 Received: by mail-lf1-f69.google.com with SMTP id 2adb3069b0e04-550f0376a83so3382333e87.0 for ; Wed, 04 Jun 2025 09:03:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749053024; x=1749657824; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mDyypYhoIT1iMYmkdxn+L4cm8Aoc1BJZdIN3xProyU4=; b=fDJbMVoAIGPZ3XCViV2g1EcLtX5tsTsy/twC/y3UqfXu1kCXV1/DIxN+0IpRHZ+qFt EWnNWh7mj3a862veuaJoqJ6gdevmAjqYGenEIopY42arTk9hcJNFzwhpAsiQVSWPM48y ETTNJV09pBFkVUCWjOmp3w/KJD03ZpHYjB1Z7v5IZ5cOad8Qve+lJGXvbxet1a3m7oPN rOmgq5l3MypAbQahiDbQaLnw86kMe92pXoDuJM31BZ0T4e7h8R43Wt5NMF/1zjePaKbc Q3KYNYrJnpEyY32D3T4cDAm0meQj56mC+sl7XSi1SVkkpOsoHHPwec1tg+tP1ZwN8ocN KT8A== X-Gm-Message-State: AOJu0YzmqDXo0SjIptdsxD9O9ciz2jp+BKnpJzQOA8rN2cJDVvRC0xtk YLycjHnjezDVfh15BA/lZ4NdSKDK4bpcQTDPzeSp6Og/svkX9MTy9Ktpt/kNc8vtIrr4Qd8xWvX ZytxyEEcWUc/8iD8+qG7AbxBbvZv0dxoatl6aeDlMgibrzHACs+0D1txKqv+xRFdwuQK7vMRJpm OOPJVIWLeewEyfTirNIvA= X-Gm-Gg: ASbGnctDl+9isV3Pb0+0rjvy9d2QEaT559oq13ro8GWEiV/vSlNQDDTrWK7uU1Qwi5R SvPmtcAzpG7LA+Xwhnpwh23TuQ81p8okfHSbGpQNjenUeGQk1Q6+KTDjLJA3RSK/rH7knEQwrZA YzUXkqsg== X-Received: by 2002:a05:6512:3e0d:b0:553:2bf2:e303 with SMTP id 2adb3069b0e04-55356bf9864mr1060071e87.30.1749053024243; Wed, 04 Jun 2025 09:03:44 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG3OBVdLzMYcS0zZFyHr6+Gw34jTdF49TyNj1aQu0UQSHt1ueHzpMxVadNnjgH5pnJXCzT9SIFfHgkWwX/7krA= X-Received: by 2002:a05:6512:3e0d:b0:553:2bf2:e303 with SMTP id 2adb3069b0e04-55356bf9864mr1059983e87.30.1749053023374; Wed, 04 Jun 2025 09:03:43 -0700 (PDT) MIME-Version: 1.0 References: <20250402124258.2299435-1-huangdengdui@huawei.com> <20250403025736.135846-1-huangdengdui@huawei.com> In-Reply-To: <20250403025736.135846-1-huangdengdui@huawei.com> From: David Marchand Date: Wed, 4 Jun 2025 18:03:31 +0200 X-Gm-Features: AX0GCFt_70hIwgXHYW3JYEiWK4KnsZGrMUIAtIUJv9o3K5O72NiZHHvbfOiWkqY Message-ID: Subject: Re: [PATCH v2] mem: fix infinite loop To: Dengdui Huang Cc: dev@dpdk.org, fengchengwen@huawei.com, lihuisong@huawei.com, haijie1@huawei.com, liuyonglong@huawei.com, roretzla@linux.microsoft.com, anatoly.burakov@intel.com, stephen@networkplumber.org, mb@smartsharesystems.com, dmitry.kozliuk@gmail.com X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: D8nu0Lzjy9z0WR7Ei7ui6R0DDAnZpHL0TN4OfBI9hDQ_1749053024 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Thu, Apr 3, 2025 at 4:57=E2=80=AFAM Dengdui Huang wrote: > > When the process address space is insufficient, > mmap will fail, which will cause an infinite loop. > This patch stops attempting mmap if it fails and > the requested size cannot be reduced. > > Fixes: b7cc54187ea4 ("mem: move virtual area function in common directory= ") > Cc: stable@dpdk.org > > Signed-off-by: Dengdui Huang > Acked-by: Dmitry Kozlyuk Applied, thanks. --=20 David Marchand