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Wed, 28 Apr 2021 15:35:44 +0000 From: Liam Howlett To: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton CC: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH 02/94] drm/i915/selftests: Use vma_lookup() in __igt_mmap() Thread-Topic: [PATCH 02/94] drm/i915/selftests: Use vma_lookup() in __igt_mmap() Thread-Index: AQHXPEQnM/TeVAhEBUW3zxlPkEBDpQ== Date: Wed, 28 Apr 2021 15:35:44 +0000 Message-ID: <20210428153542.2814175-3-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a2e0fa8c-65c2-468b-43ed-08d90a5b499d x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2000; 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identity=mailfrom; envelope-from=""; helo=mx0a-00069f02.pphosted.com; client-ip=205.220.165.32 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619625416-447213 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: vma_lookup() will look up the vma at a specific address. find_vma() will start the search for a specific address and continue upwards. This fixes an issue with the selftest as the returned vma may not be the newly created vma, but simply the vma at a higher address. Fixes: 6fedafacae1b (drm/i915/selftests: Wrap vm_mmap() around GEM objects Signed-off-by: Liam R. Howlett --- drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 5cf6df49c333..35c15ef1327d 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -871,7 +871,7 @@ static int __igt_mmap(struct drm_i915_private *i915, pr_debug("igt_mmap(%s, %d) @ %lx\n", obj->mm.region->name, type, addr); - area = find_vma(current->mm, addr); + area = vma_lookup(current->mm, addr); if (!area) { pr_err("%s: Did not create a vm_area_struct for the mmap\n", obj->mm.region->name);