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Wed, 13 Aug 2025 06:26:53 +0000 (GMT) From: Andrew Donnellan To: linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org Cc: akpm@linux-foundation.org, x86@kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, pasha.tatashin@soleen.com, sweettea-kernel@dorminy.me, nicholas@linux.ibm.com, christophe.leroy@csgroup.eu Subject: [PATCH v16 02/13] arm64/mm: Add addr parameter to __ptep_get_and_clear_anysz() Date: Wed, 13 Aug 2025 16:26:03 +1000 Message-ID: <20250813062614.51759-3-ajd@linux.ibm.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250813062614.51759-1-ajd@linux.ibm.com> References: <20250813062614.51759-1-ajd@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODEyMDIyNCBTYWx0ZWRfX92rkpoWMsRic I8pbfee7csCpHoGV5IQyOP1Bu3bGHdnndHqWCrjTMw7WiwGZ55lEK5b7w+LXdqMPfdB4Xzdzh8M 7sz3MYUhdh1ruANSfG0kdVNDGehMHgEKc5Z/oINS2zn5TybVjBRnr+3yfpMaDMNTeDQsthOXKJ/ iG4HEtNq+aOyDwYaK7dyHRUDZtSL4/oW2sOjVGjbwGN4ScZBN+KtbMqGRSMB5vI3kMDQ18pRfda qvsLt/OaxALcmYykh3f1GE/wBSmOpdlBqRHoSAUADQuDG87Xagm9Pw/8ZVijqFxEVAL5nOKOmmQ ErjKnKJN2TAlx6x4Yn3sjLEyyWOxBw5DNphs1VezYsl7Ai4WHPgr1W0MSXC9E2ySBEwhzf3Li2Z 3TB9zyXM X-Authority-Analysis: v=2.4 cv=d/31yQjE c=1 sm=1 tr=0 ts=689c3034 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=2OwXVqhp2XgA:10 a=VnNF1IyMAAAA:8 a=_22z2SZoHydJqXFBeZgA:9 X-Proofpoint-GUID: 4ZBlhpz1er1xIozkgnQsN3_4eZX4o7m0 X-Proofpoint-ORIG-GUID: 4ZBlhpz1er1xIozkgnQsN3_4eZX4o7m0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-12_08,2025-08-11_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 suspectscore=0 impostorscore=0 priorityscore=1501 phishscore=0 spamscore=0 adultscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508120224 Content-Type: text/plain; charset="utf-8" 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 --- 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 ed644be48d87..66b5309fcad8 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1357,6 +1357,7 @@ 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) { @@ -1384,7 +1385,7 @@ 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, @@ -1423,7 +1424,7 @@ 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 1003b5020752..bcc28031eb7a 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 2.50.1