From nobody Thu Oct 2 22:52:48 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32021238C0A for ; Tue, 9 Sep 2025 19:05:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757444743; cv=none; b=LKiNBt8loTlSLzlTdrVUiUDT+vG7CdO7Opnffpnox0wai4EceUAFbuWkadNmm/Ub2hAfhoa4iElSoEWWeqwj6SqjCffB66Cs5DLvrFKeEIxKsn4RvXYudIWHdddfsCExZ/0z9VFHyfR6/xnPbDJC1DNamN/ui4mpUfEKALb2fLI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757444743; c=relaxed/simple; bh=09167jgEIy8C4gbDQAAmkBnRs9OtDp05EZlsYi3qh24=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=gPSE/tbU10fsrodUAt8yYIUCSMk8FCRm3svsZdtglvY6U0AOYvZbTTzsg7Ho9mFG5fU0tq836J3aSBLPx+GMLjzDmQiqWsJXsfVd2PgxWZJVoprEJao/cYPUOUtqiPQqLw43+T9exO3lxIIGkgOKa0WuOmEBRwiMFShVge5nR/8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--zokeefe.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=rQkYepwX; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--zokeefe.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="rQkYepwX" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-24c9304b7bcso63549405ad.3 for ; Tue, 09 Sep 2025 12:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1757444741; x=1758049541; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=FdPX30UzJgvc8rb2FS3LAFal5bl/d6KCBhdWDQJQT7U=; b=rQkYepwXahw+Zc8/589OFAkiWlCHnylPudloO4VHePCYic1qvjpt3SQIT6FVvz/uxE 8txIhP39M6yqBqIxP8X9JYPfqIIhH9xI+zLDp6qmDQItVQxV1iGZR3d5i1B/pVHB9hqH CYuITLLYaB7Jqlzk4ZlE7JN0aLl42Wl85HprVBgnhZUx83MfyiPkwwk6+HmEwvV3xiS4 QizUTxk8MRDnDS3/G7V35Ihn7UuEOD5jDl5X+S7JJ6PolabgvPdUN6c3VFa5XnLRoIAL tMW1JN2ZBa7Bn/BVf7IIcwb9MOIlxDCHBPS87ZrPx4OlE16cAMJVt9qnerhmj0higBao vXTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757444741; x=1758049541; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=FdPX30UzJgvc8rb2FS3LAFal5bl/d6KCBhdWDQJQT7U=; b=TyISppuRNAbSonBNIEiMcGs7CDwyCD/zWuCd4SQPSenGxy7IrGvHfTIMoo+eGdJ4JO tjFatyp5IRbwgWDq6UKPk6WE7nUknm+87bOp1wCJdTZKv2UG8wvhWVEUWr9ICk1dSHhw +9Fk+zozvpoLwqWjrhm1UvPQhyJ9uyblBz79vPp0sQCdh4+H9MWheXgS9gWeIC7Nu0Tv FYP8GuGu6iRApwuS5R8SS0zPf+vOv3ey0gTaYavWZRlfwXB8AjfJvZwgiVFSULgk7YO9 X1Fycr6LP3kE9VdZ5pqtKNv39UAPp2ovbNY4DSysd6JYzRrfzCaFWryODy3dC7ZMV5oY 7pYg== X-Forwarded-Encrypted: i=1; AJvYcCX4LSrhX7lhHZx0PwmQA2dVa5EfQ/HfkH8O8zAXvJfwqla4Wl2l9cvXVxLS+hrs1aO2Yw+iSHhSPF6E+fY=@vger.kernel.org X-Gm-Message-State: AOJu0YxcwkRI/v0m+xiZOj2i9k2eLOppBzaAX98n2Spity7Q2QaBllmW kvugvku1i9jfn1Qk4RmPFVszoch7rycHEKUV4o8yOkXfClpLbRopetGsVWc/LGCgewzYhsN53q0 smUFZ03kuOA== 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" As of v6.8 commit 7fbb5e188248 ("mm: remove VM_EXEC requirement for THP eli= gibility") 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 Acked-by: David Hildenbrand Reviewed-by: Baolin Wang Reviewed-by: Dev Jain --- 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/selfte= sts/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 =3D mmap(BASE_ADDR, size, PROT_READ | PROT_EXEC, + p =3D mmap(BASE_ADDR, size, PROT_READ, MAP_PRIVATE, finfo.fd, 0); if (p =3D=3D MAP_FAILED || p !=3D BASE_ADDR) { perror("mmap()"); --=20 2.51.0.384.g4c02a37b29-goog