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a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1768038781; bh=8f2+IkGXwyU7O3VPRSlueHN7/p5N+Fr7AxEkYHrqvh4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=yoiDrFVLI2g7ITJQIFUgZo5GKLHt1TXSh+HKM2bHlpEATFs3zLxAycUoCSktsw5+M m9DJ087QRHaxMvAUmrRI+0FNhIq5Ss9mD582PVPzJAZJXbKDqTViRZ1DfkR7frOinF yPJfDuoZKnpyY3gB4krZijiB8i1ZkhoZxc82OhJy/qP44TvlxhePGwXLWJhGqlKnZB 9pDzITnoCE7YZFnaw75HbH+6eTnkxucmkpKj8u7vBIUFV+2QCykzPUkVW8zllWLnPv ePyCUW8/l0hsnar9iSvV3Zc0eEv0B6Y0ejc4P0kwv26F/Sz3fqdp7WO9lom6oZ3JDC XlgtPKTfgyDag== Date: Sat, 10 Jan 2026 10:53:00 +0100 From: =?utf-8?B?SsO2cmcgUsO2ZGVs?= To: Mostafa Saleh Cc: linux-mm@kvack.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, corbet@lwn.net, will@kernel.org, robin.murphy@arm.com, akpm@linux-foundation.org, vbabka@suse.cz, surenb@google.com, mhocko@suse.com, jackmanb@google.com, hannes@cmpxchg.org, ziy@nvidia.com, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, rppt@kernel.org, xiaqinxin@huawei.com, baolu.lu@linux.intel.com, rdunlap@infradead.org Subject: Re: [PATCH v6 0/4] iommu: Add page_ext for IOMMU_DEBUG_PAGEALLOC Message-ID: References: <20260109171805.901995-1-smostafa@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260109171805.901995-1-smostafa@google.com> X-Stat-Signature: 8mjwzsrm4eekt5hcpkoxkpc5w17rzeub X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 4B652140003 X-Rspam-User: X-HE-Tag: 1768038784-910375 X-HE-Meta: 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 5LbKyoue CKRsmzZndQIgzFb8V9frCYGufj9QaPsAVg0FMyobVKYWMym4zgklM3Bhr5z38e1hOI9LWN2lhd6uo6+AfW80Z+nYOUuTZwhxfHyL4Q286fzg5KjyeRetZ1cf/7kQ+QXXzuC328CElO80A/RRfzx/8X4r5QHhZU4/KX16jbcore3yI1PjAXRrVzBHiy5UURPzko/iVpbvAxtPhbQR+LN8p1pZtZdPLqh9ZAQyQ7tAA58bBEq+ev9Z46Z/l/zBL0A4NLUMCwiIadkzEnJcuyP8C2EoVM6z6Rprsj/7Sj5p/YGU9ZufnmslmM1SMtiZ52gW2SDXWWG+1T5EiiN7p79YLZ6xeNaCJ3bU/GydCj0VNwwCLLw9a4lRsQSlqDg== 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: On Fri, Jan 09, 2026 at 05:18:01PM +0000, Mostafa Saleh wrote: > Mostafa Saleh (4): > iommu: Add page_ext for IOMMU_DEBUG_PAGEALLOC > iommu: Add calls for IOMMU_DEBUG_PAGEALLOC > iommu: debug-pagealloc: Track IOMMU pages > iommu: debug-pagealloc: Check mapped/unmapped kernel memory > > .../admin-guide/kernel-parameters.txt | 9 + > drivers/iommu/Kconfig | 19 ++ > drivers/iommu/Makefile | 1 + > drivers/iommu/iommu-debug-pagealloc.c | 167 ++++++++++++++++++ > drivers/iommu/iommu-priv.h | 58 ++++++ > drivers/iommu/iommu.c | 11 +- > include/linux/iommu-debug-pagealloc.h | 32 ++++ > include/linux/mm.h | 5 + > mm/page_ext.c | 4 + > 9 files changed, 304 insertions(+), 2 deletions(-) > create mode 100644 drivers/iommu/iommu-debug-pagealloc.c > create mode 100644 include/linux/iommu-debug-pagealloc.h Applied, thanks.