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t=1585404994; bh=Z3vJOyWn1ns5IUXgUb3rWwD4AeV9c3igsgp0JF20gMk=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=TRjmpzDs95iO6tt3CgkQpEQE9jQEIHmhTSCJcelHTCNhoAszQTFa5IdZ6HCgBBRX+ 8j1X7YPu/mbCpnH5Qixdj5oQ0LK3Rl2sePYXI2wkwJUKXW9aFG4D+z10DgwnjTw9fj 4cu256Q/RtIvb5+7/bT5ihhZALk2++neu81cRzY8= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.150.134]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0M5OYl-1jRJUr0oP9-00zZZ3; Sat, 28 Mar 2020 15:16:34 +0100 Subject: Re: [Cocci] [v3 05/10] mmap locking API: Checking the Coccinelle software To: Julia Lawall , Michel Lespinasse , Coccinelle Cc: linux-mm@kvack.org, Davidlohr Bueso , Peter Zijlstra , Hugh Dickins , LKML , Liam Howlett , Jason Gunthorpe , Matthew Wilcox , Ying Han , David Rientjes , Andrew Morton , Laurent Dufour , Vlastimil Babka References: <20200327225102.25061-1-walken@google.com> <20200327225102.25061-6-walken@google.com> <3c222f3c-c8e2-660a-a348-5f3583e7e036@web.de> <590dbec7-341a-3480-dd47-cb3c65b023c7@web.de> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:cPtfjttOdLXtSeK5ib1saH4gIfLzBr3HOSaEV5xTJvU95sYCfvw gzSWnhjfSRrnOY75eQjiHp1aFPUt99/U2J/9sHj2I/mE9ZQDuW8oRQrtkHA3sWOx+tNpwtr mBnlzkXZIX1jLJA4nRG59ghA+lK8j1Rmn/eDwfoqvEu4ZtzfIrma6OiGnvgkhGMW4zEtirA 9+LyQA1Hrz076lsa27Y0A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:SwkICVRF4yc=:jPgMv8lbxbIpxhw2MK1GMY zH+QFW6KH943mNdzMX/JFbu5hQmFtEcSCnxgmqp4qU21/WIUHL8ZVi4cE3VbeJVni/bzc3Kl3 KUB9GP+3CjzEMMIIKtmjGTT8dBdr8tF0Kq6lEvsnz6+mScHLzXGl5Acr7yGlPvYTKo5uA8ZPM h5To2Fm7K9tgv1IXYChVicjJI2xWbnmHWbQ6ffj3si1JA3onzOFsSrgQfohYanDs0Eihc4ouJ eKO3vSYisFK5V39ivv4xkuPt+BLiLqCsUfPNZaoPqE/qXTS8oRjlf6q0qwUWJ79QMc/bsiXDj mpclnkEXRjGVOEgdSWk6Qx4XF9z2uunkDquE2qDvnMtDS/PmjHF/OrdbdeRhZZMmblti0R2ss h/tDQZWUmpRGNgk7hD66AS1nMqwibjNUi6tEcXda1UhCHnwqY3xUMEX5Ahh5iD4s+M0oCHhYn 6C7/ns7QNbFs7tx17DYw85TLfxFM/5KPGUllFlmxTHtXuyEA8AJ+7Jo3wy6UZbxuUjT9FHtn7 K70yOXzKDgSe7kIfKwE4cdW+d9sna/uSF4f+AlUpm4XUGudKF9v5QELHjXj0tyyDqlYRtBKQf imusICp87MVqQO0OmAylcnTTkul9RUdegrplbSmPyVi+L53gaTxChRg51Nm9/GmmW6gamnRor bnXTqgGSB0iiYqxWTlsZjA9mznJ0PM3PxyPXhd7EojYIeHAkpCDlC7ZS5QPrJ6fYdCrVUWZnX PA7cQmc6hDjynKhgm1et3ZB5Sg3ipg8ASDVszdyJmLAyMG0gqAj6eWnCO7ZOXO/6NtFWByIjI MvguVDP42uEm6qiRTNPqZCoUEXa5pxKucWzC/bE6u5GQw4FilxPehXkqx8m9qRYFJLfsm7vFS JyqUv7GNIkX/VLJVHP4tEAii1qjoRdEyAJV9Z0sBE2IJB30N31VdCHfbQVraBlg/BLhbyMh1r twOU8CKC5G6DqL8qu5zwfyiV6N4kFQ6H7JdbyBxTcmmb+fph5S6vxL1FXWGsH1pu+KoBBzSut /7ajW5fMRwWutQ19RxpCMenq828USlXjjrM2TB/Yd5Hld1Ng+ZpnmJuKyGx0BvlnXkS82HZNU mSL+C7/myvfx7eCnhXT9jWLboyX2yzqVSEI6bw96rSVxRDhvvVSVUZhzVg0ZJUVip+WMKJDhy nGrjrSfgYtYuL2MfbNuF5D0A1zlVoGQBhA2cznZqNOMjHmt5iXYrDMLbFjLFAD+iawpuEw8l1 1yGg2uAxOxyrbaSyu Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The problem can be seen with the --debug option: > > FLOW: can't jump to VMALLOC_FAULT_TARGET: because we can't find this lab= el > > It's not apparent with the --parse-c option because it's not a parsing p= roblem. Thanks for such information. Can the example be transformed even if extra source code was intentionally= deleted for the easier clarification of the shown software test? Regards, Markus