From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8C3BC3DBD4F for ; Thu, 25 Jun 2026 11:30:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782387013; cv=none; b=Ja6DPcqiQvfwTW1XVkqTgwJI3C76FRAnt5tT90zkpTF9iKKV1hTGqePP1o/dUwTNbQSihxi6GAyTl/d9SyfpKU4elRWD/Phwyt7LWEtnyXY70aKxOgsDcyRgskGAISJ+U29sJY++9OGGTM43QNU9aR3Hwb46Pp+3Cuwi3tFWeqw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782387013; c=relaxed/simple; bh=38+Ad+oZs4A/nrJgkGJGbrc6pvh9jrw/K1S2RXNPdck=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=oj2isdeOl1xw2MMQIk/IDP8lbAYHqQo6JQ4tjzClL1bucampnfQwkn1SgPy6eeERCXXcUJwRCPdWifJEeRBxN30QP/50YwIlZh3nuxzy1vLIMXls317atMP9jReIIswmB+tvf8Jjl3ZFbKAzwqsweKvTFNn1Tin1JSjS0o4476Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=JtzjQqEt; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="JtzjQqEt" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DDEDF2BCE; Thu, 25 Jun 2026 04:30:05 -0700 (PDT) Received: from cesw-amp-gbt-1s-m12830-01.blr.arm.com (cesw-amp-gbt-1s-m12830-01.blr.arm.com [10.164.195.31]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BDAAF3F62B; Thu, 25 Jun 2026 04:30:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1782387010; 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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