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AJvYcCWEMCsccXHf5cu4NVrb5rpIA2OvEmD2Z0lRWZC3t9A5uRe6pUWHXIEgbMlNp6x0m+06E2Yqg0H/rQ==@kvack.org X-Gm-Message-State: AOJu0Yz3dEtsKyn+RefeX9MNxCHfyxW+Xv8rq57a/MB08wlL5aZaM3b3 QNGuxUHG9o2x/oH73zYXSwY+kEdqCMRhVp9TbZDXr5NQxpQQOFybDIbY6KbYMb3j3e0sSfzro5/ Z3fJikEP3Og== X-Google-Smtp-Source: AGHT+IE7x2j8jiGmSa5hAjziFVPfetOC+qsRzdWEflJQ3CeZTBtL/LM/cmENZY4RpAOOGBS9kWw8FhCNJe+8 X-Received: from plgx7.prod.google.com ([2002:a17:902:ec87:b0:24c:be1c:4fa1]) (user=zokeefe job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2447:b0:249:1f5f:f9a2 with SMTP id d9443c01a7336-2516906b170mr155110685ad.0.1757444741506; Tue, 09 Sep 2025 12:05:41 -0700 (PDT) Date: Tue, 9 Sep 2025 12:05:34 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.51.0.384.g4c02a37b29-goog Message-ID: <20250909190534.512801-1-zokeefe@google.com> Subject: [PATCH] selftests/mm: remove PROT_EXEC req from file-collapse tests From: "Zach O'Keefe" To: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Zi Yan , Baolin Wang , "Liam R. Howlett" , Ryan Roberts , Dev Jain , Shuah Khan , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Zach O'Keefe" Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: AD6C4180004 X-Stat-Signature: qabkm7i1f486s966x9disfj1aj98co8i X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1757444742-27376 X-HE-Meta: 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 5TtXDGp1 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 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: List-Subscribe: List-Unsubscribe: As of v6.8 commit 7fbb5e188248 ("mm: remove VM_EXEC requirement for THP eligibility") thp collapse no longer requires file-backed mappings be created with PROT_EXEC. Remove the overly-strict dependency from thp collapse tests so we test the least-strict requirement for success. Signed-off-by: Zach O'Keefe --- tools/testing/selftests/mm/khugepaged.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c index a18c50d51141..3fe7ef04ac62 100644 --- a/tools/testing/selftests/mm/khugepaged.c +++ b/tools/testing/selftests/mm/khugepaged.c @@ -394,7 +394,7 @@ static void *file_setup_area(int nr_hpages) perror("open()"); exit(EXIT_FAILURE); } - p = mmap(BASE_ADDR, size, PROT_READ | PROT_EXEC, + p = mmap(BASE_ADDR, size, PROT_READ, MAP_PRIVATE, finfo.fd, 0); if (p == MAP_FAILED || p != BASE_ADDR) { perror("mmap()"); -- 2.51.0.384.g4c02a37b29-goog