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Mon, 23 Feb 2026 11:53:16 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 55669) id 3E42FE0B5A; Mon, 23 Feb 2026 12:53:16 +0100 (CET) From: Alexander Gordeev To: Pasha Tatashin , Andrew Morton Cc: linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org Subject: [PATCH 0/4] mm/pgtable: Support for page table check on s390 Date: Mon, 23 Feb 2026 12:53:12 +0100 Message-ID: X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIzMDA5OSBTYWx0ZWRfX3bwiMJwv1jXe c4r0aVkh//XvZK3EBXuqKG9B0JraQiFOc8dQcg3L6hlHbNCSPBy354nHZYbOf3Z9UZlNVi+mRux EeyDGkJUJBDyoK2GU1u5SyohvpgacRwgMGGKQXrxihP5qZl5F/DQuJZITynR4i1aGOv8LKibeSC RGxHizdZO14zQnTCKgUY1FBF3JutdD5rOSEHxXURU6zKflVN9dkdE/EozKdxlSGa0kRFjzX/24Y gMjuCTOZLLradKDnaisg7DvD5UIEq28QAz9KXPmGnX7Xd8oy7GBzzGTdP+VhA82rCLE6wjou7xH Pn921Qn8QacYVzhh+1/7F+ZvAp/qVub2x3Fl96dY16DPIf9Z59BA44ZAQWLeFBS46z37smUj8Ta XkNJr03kfjcFpQpwp0bZpqgJa3LePoO1YYZp/7JVKWBY2uDu6ffV8SZp7G3zh5eOU1l19MHnaqP oT1eC76P9C+aiIo/j6w== X-Proofpoint-ORIG-GUID: CmD9jFH5k147Zt0zS8yAjMb88bgQYtmP X-Authority-Analysis: v=2.4 cv=F9lat6hN c=1 sm=1 tr=0 ts=699c3faf cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=WJZKNU4qom20v2zI9iIA:9 X-Proofpoint-GUID: CmD9jFH5k147Zt0zS8yAjMb88bgQYtmP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-23_02,2026-02-20_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 suspectscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602230099 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260223_035325_941103_57716D19 X-CRM114-Status: GOOD ( 12.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi All, This series adds mm_struct parameter to pxx_user_accessible_page() hooks, which is only used on s390 and does not affect other archs. I reordered pxx_user_accessible_page() parameters to be consistent with the traditional order and removed unnecessary brackets in patch #1 - the only patch that touches the generic code and other archs. Thanks! Alexander Gordeev (2): s390/pgtable: Use set_pmd_bit() to invalidate PMD entry s390: Enable page table check for debug_defconfig Tobias Huschle (2): mm/page_table_check: Pass mm_struct to pxx_user_accessible_page() s390/pgtable: Add s390 support for page table check arch/arm64/include/asm/pgtable.h | 6 ++-- arch/riscv/include/asm/pgtable.h | 6 ++-- arch/s390/Kconfig | 1 + arch/s390/configs/debug_defconfig | 2 ++ arch/s390/include/asm/pgtable.h | 60 +++++++++++++++++++++++++++---- arch/x86/include/asm/pgtable.h | 6 ++-- mm/page_table_check.c | 15 ++++---- 7 files changed, 71 insertions(+), 25 deletions(-) --=20 2.51.0