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bh=38+Ad+oZs4A/nrJgkGJGbrc6pvh9jrw/K1S2RXNPdck=; h=From:To:Cc:Subject:Date:From; b=JtzjQqEt8q8QEYWUdWZ7UueseUsevApx9kmYONKhbO/zw2X1LV3YbrfxQJsr9d2U/ GK2QksPLqhLotifcKqRse0Ljlk/E1WJ4/jNhcAMo/BOkuPmAENbtOiFiIXVIUkuWsF 5ZgsIIw2nGbuqSKMuXozwhWyw22DZ5Wp8l4kbN0w= From: Dev Jain To: muchun.song@linux.dev, osalvador@suse.de, akpm@linux-foundation.org, ljs@kernel.org, david@kernel.org, liam@infradead.org Cc: Dev Jain , riel@surriel.com, vbabka@kernel.org, harry@kernel.org, jannh@google.com, lance.yang@linux.dev, kas@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, rcampbell@nvidia.com, apopple@nvidia.com, ziy@nvidia.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com, byungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, mel@csn.ul.ie, nao.horiguchi@gmail.com, ak@linux.intel.com, j-nomura@ce.jp.nec.com, pfalcato@suse.de, dave.hansen@intel.com, tglx@kernel.org, jpoimboe@kernel.org, ryan.roberts@arm.com, anshuman.khandual@arm.com Subject: [PATCH 0/5] Fix incorrect access of hugetlb pte entries Date: Thu, 25 Jun 2026 11:29:49 +0000 Message-ID: <20260625112955.3254283-1-dev.jain@arm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 4jercn3589uid3pfsymfcysn6mjxpzqb X-Rspam-User: X-Rspamd-Queue-Id: B170A140011 X-Rspamd-Server: rspam02 X-HE-Tag: 1782387011-454479 X-HE-Meta: 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 qmXtOj7m L66O9Yq5g6fDlic0dzp1/vxUwqNVtzP2Brsmeq6glBj2iYZH+2xNnBskpJRapsRDGB055OKuP5LRbsuGRd7HKlJSFgmdR2be2eLqNYsnhSEan0gFMZaVxs5rMNq1EQJnBVv41OeSAcnMOixHY84Kgh88ye4CAFz7MKLEAiIxSMi3y551+LPuvcLCGHertpzVI5Ejui6pJnsDbo0v0xp6gQ4tA3Vdzg2J3XLnIwBOZRT+tMzRaXikmrPAch2Nfo981OmCg Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: There are various places which use ptep_get() to get the pte entry corresponding to a hugetlb folio. Some arches have special handling to compute the pteval, so they provide huge_ptep_get(). Use this helper consistently. Dev Jain (5): mm/rmap: use huge_ptep_get() in try_to_unmap_one() mm/rmap: use huge_ptep_get() in try_to_migrate_one() mm/migrate: use huge_ptep_get() in remove_migration_pte() mm/page_vma_mapped: use huge_ptep_get() for hugetlb mm/mprotect: use huge_ptep_get() for hugetlb include/linux/hugetlb.h | 3 +++ mm/migrate.c | 6 +++++- mm/mprotect.c | 8 +++++++- mm/page_vma_mapped.c | 8 +++++++- mm/rmap.c | 32 ++++++++++++++++++++------------ 5 files changed, 42 insertions(+), 15 deletions(-) -- 2.43.0