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Wed, 16 Jul 2025 01:26:15 +0000 (GMT) Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 56G0qhSW028912; Wed, 16 Jul 2025 01:26:13 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 47ue5afdq7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Jul 2025 01:26:13 +0000 Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 56G1QCRY036586; Wed, 16 Jul 2025 01:26:12 GMT Received: from localhost.localdomain (ca-dev60.us.oracle.com [10.129.136.27]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 47ue5afdph-1; Wed, 16 Jul 2025 01:26:12 +0000 From: Anthony Yznaga To: davem@davemloft.net, andreas@gaisler.com, arnd@arndb.de, muchun.song@linux.dev, osalvador@suse.de, akpm@linux-foundation.org, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com Cc: linux-mm@kvack.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, alexghiti@rivosinc.com, agordeev@linux.ibm.com, anshuman.khandual@arm.com, christophe.leroy@csgroup.eu, ryan.roberts@arm.com, will@kernel.org Subject: [PATCH 0/3] drop hugetlb_free_pgd_range() Date: Tue, 15 Jul 2025 18:26:08 -0700 Message-ID: <20250716012611.10369-1-anthony.yznaga@oracle.com> X-Mailer: git-send-email 2.47.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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=2025-07-15_05,2025-07-15_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 mlxscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxlogscore=622 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2507160010 X-Proofpoint-ORIG-GUID: AgBKPn9m3_qL6HAiOrMxXGHg9kVDPIOQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzE2MDAxMSBTYWx0ZWRfXxwAXUBBzM8WE 8bN6iMhvq8VQNcmeYpy7n1hD5x1yRml/PeprWv2oY998EvJW9BaqZpqmDB3OYFgQjUpbNjIeSeb WG8iLxKK77u7K5KJgC90w0dSsy2WZQp3fBKI7F/UsJVccM/aiVmTc0R8dANTZHjtDMfL+3i2KPL Nipym8Bk7nkTTJgX6wlUhpbMuVtJKR0nrN6SSBcp2qo6H2UQuva7Or2yQggdBqPao2vMufeJkAc 6Fzy7auvRVgFpSbvRzXzsCKJ0jG6Sg5O1/HJqkYCAW6e/XUMima2QlJc1t8qlb7guYfDt+fGz02 RPjqsL+LCj+n2BhTdZHSEG1oLC/lXN2TZfv6MHWyHFpSC29HwGec4A3zWNxgSNK1CxvojKDiknP Q21N8ezSB8Rphz7SNn4vlbBTdtTfXAWrAMb+w2+HIkvT5LGZTt6bRarkitxCzKPkmrqf9MeZ X-Authority-Analysis: v=2.4 cv=Xtr6OUF9 c=1 sm=1 tr=0 ts=6876ffb7 cx=c_pps a=OOZaFjgC48PWsiFpTAqLcw==:117 a=OOZaFjgC48PWsiFpTAqLcw==:17 a=Wb1JkmetP80A:10 a=OqWGQR8W8kVsT6dWFhgA:9 X-Proofpoint-GUID: AgBKPn9m3_qL6HAiOrMxXGHg9kVDPIOQ X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 86669A000A X-Stat-Signature: 78f7411qgu6n8in3gg91wqqj5to51156 X-HE-Tag: 1752629190-909839 X-HE-Meta: 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 cVWKStpp Zp9AO5TLRXH3NWnyeuZtT3BhychS6CR61bDmChgIc6lxkrZLeHo/5oIRVj3laiG+FWXJptkzNqx2eRbd63Zb73Vm0B+0xRtAzCnB3+MukgnYgSlzyrkzyN/pw5g1c8+vQTJqYDp2eKWOF+8h0xfNmljSCR9ww1y4ju/ZgbWRfXb4KHeZMbV0RdZXhnqTVR0QsOIyZnu2mOnxXgRRWAyBhw45oL0KPRiUm0Pd6TASqXf3VySZyNPIyyi6tenTwappTPaWx 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: For all architectures that support hugetlb except for sparc, hugetlb_free_pgd_range() just calls free_pgd_range(). It turns out the sparc implementation is essentially identical to free_pgd_range() and can be removed. Remove it and update free_pgtables() to treat hugetlb VMAs the same as others. Anthony Yznaga (3): sparc64: remove hugetlb_free_pgd_range() mm: remove call to hugetlb_free_pgd_range() mm: drop hugetlb_free_pgd_range() arch/sparc/include/asm/hugetlb.h | 5 -- arch/sparc/mm/hugetlbpage.c | 119 ------------------------------- include/asm-generic/hugetlb.h | 9 --- include/linux/hugetlb.h | 7 -- mm/memory.c | 42 +++++------ 5 files changed, 18 insertions(+), 164 deletions(-) -- 2.47.1