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Thu, 18 Dec 2025 17:10:05 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A3A995805A; Thu, 18 Dec 2025 17:10:05 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 247805803F; Thu, 18 Dec 2025 17:09:59 +0000 (GMT) Received: from jarvis.ozlabs.ibm.com (unknown [9.36.16.51]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 18 Dec 2025 17:09:58 +0000 (GMT) From: Andrew Donnellan Date: Fri, 19 Dec 2025 04:09:34 +1100 Subject: [PATCH v18 02/12] arm64/mm: Add addr parameter to __ptep_get_and_clear_anysz() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251219-pgtable_check_v18rebase-v18-2-755bc151a50b@linux.ibm.com> References: <20251219-pgtable_check_v18rebase-v18-0-755bc151a50b@linux.ibm.com> In-Reply-To: <20251219-pgtable_check_v18rebase-v18-0-755bc151a50b@linux.ibm.com> To: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Pasha Tatashin , Andrew Morton , Madhavan Srinivasan , Nicholas Piggin , Rohan McLure , Christophe Leroy Cc: Alexandre Ghiti , x86@kernel.org, Nicholas Miehlbradt , Sweet Tea Dorminy , Andrew Donnellan , Srish Srinivasan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org X-Mailer: b4 0.14.2 X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjEzMDAwMSBTYWx0ZWRfXz2BXSIdKVlKv ph9tKMbKKWgYJVE+YjwoQH0CGqLmECCZuiPUxLGsr8MwdqdkA8rTAYBjfJDSxUZgPcTSCkUlPmI lrD6On7m+7WClXQRr/QUvAS/AzaiFk738mzAq/MNE/QEAnrWFN4IQoh1mvzN4XNh3o4psowF+En o0SQzcV9ma2BDAxdicQfTUQGAux5hiGzwXObHpGF8UM3KhQfN+zZgaP/NrE9mEbV0DiYOkOW3tK bBiaxKSJ6vzSdQE2xqk+F9uEh72/Gm3JHQPPBq2cFFMeZ1tf0Q7Nb8tIWKREu7hUFh7vd1SwFTy oWjCzTFJUjN9/O7DRNd5Joq7acw0Lp4Wj6opSl+Hg2U4+4RPUbO3qsVVpbqQUl9a8KF2auN2tw5 Um4BFfMgWrVAulVcQVsHYjJfsF86JQ== X-Proofpoint-GUID: E5wcBm6o_TA3p2uE06S9hUaC0FTJM0c3 X-Proofpoint-ORIG-GUID: Gme6pxPtjG-OXJ3yR_iw4NEDBblaNn5Y X-Authority-Analysis: v=2.4 cv=Kq5AGGWN c=1 sm=1 tr=0 ts=69443570 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=4PT1ayd0SIKHQ98-h3UA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-18_02,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 impostorscore=0 clxscore=1011 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2512130001 To provide support for page table check on powerpc, we need to reinstate the address parameter in several functions, including page_table_check_{pte,pmd,pud}_clear(). In preparation for this, add the addr parameter to arm64's __ptep_get_and_clear_anysz() and change its callsites accordingly. Signed-off-by: Andrew Donnellan Reviewed-by: Pasha Tatashin --- v15: new patch --- arch/arm64/include/asm/pgtable.h | 5 +++-- arch/arm64/mm/hugetlbpage.c | 7 ++++--- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgta= ble.h index 52f3ea07427cef399e68bea0dbab39d03ea83060..29f7ae7011a820687f5b1e2fdc7= 82eb37f85fc1b 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1332,6 +1332,7 @@ static inline int pmdp_test_and_clear_young(struct vm= _area_struct *vma, #endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG= */ =20 static inline pte_t __ptep_get_and_clear_anysz(struct mm_struct *mm, + unsigned long address, pte_t *ptep, unsigned long pgsize) { @@ -1359,7 +1360,7 @@ static inline pte_t __ptep_get_and_clear_anysz(struct= mm_struct *mm, static inline pte_t __ptep_get_and_clear(struct mm_struct *mm, unsigned long address, pte_t *ptep) { - return __ptep_get_and_clear_anysz(mm, ptep, PAGE_SIZE); + return __ptep_get_and_clear_anysz(mm, address, ptep, PAGE_SIZE); } =20 static inline void __clear_full_ptes(struct mm_struct *mm, unsigned long a= ddr, @@ -1398,7 +1399,7 @@ static inline pte_t __get_and_clear_full_ptes(struct = mm_struct *mm, static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long address, pmd_t *pmdp) { - return pte_pmd(__ptep_get_and_clear_anysz(mm, (pte_t *)pmdp, PMD_SIZE)); + return pte_pmd(__ptep_get_and_clear_anysz(mm, address, (pte_t *)pmdp, PMD= _SIZE)); } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ =20 diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 1003b502075208d4252c27ffdacb1aaf4928639b..bcc28031eb7aa4ba175b5552f54= 49e69c6af5e61 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -159,11 +159,12 @@ static pte_t get_clear_contig(struct mm_struct *mm, pte_t pte, tmp_pte; bool present; =20 - pte =3D __ptep_get_and_clear_anysz(mm, ptep, pgsize); + pte =3D __ptep_get_and_clear_anysz(mm, addr, ptep, pgsize); present =3D pte_present(pte); while (--ncontig) { ptep++; - tmp_pte =3D __ptep_get_and_clear_anysz(mm, ptep, pgsize); + addr +=3D pgsize; + tmp_pte =3D __ptep_get_and_clear_anysz(mm, addr, ptep, pgsize); if (present) { if (pte_dirty(tmp_pte)) pte =3D pte_mkdirty(pte); @@ -207,7 +208,7 @@ static void clear_flush(struct mm_struct *mm, unsigned long i, saddr =3D addr; =20 for (i =3D 0; i < ncontig; i++, addr +=3D pgsize, ptep++) - __ptep_get_and_clear_anysz(mm, ptep, pgsize); + __ptep_get_and_clear_anysz(mm, addr, ptep, pgsize); =20 if (mm =3D=3D &init_mm) flush_tlb_kernel_range(saddr, addr); --=20 2.52.0