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[ Upstream commit032ebd8548] L1 tables are allocated with __get_dma_pages, and therefore already ignored by kmemleak. Without this, the kernel would print this error message on boot, when the first L1 table is allocated: [ 2.810533] kmemleak: Trying to color unknown object at 0xffffffd652388000 as Black [ 2.818190] CPU: 5 PID: 39 Comm: kworker/5:0 Tainted: G S 4.19.16 #8 [ 2.831227] Workqueue: events deferred_probe_work_func [ 2.836353] Call trace: ... [ 2.852532] paint_ptr+0xa0/0xa8 [ 2.855750] kmemleak_ignore+0x38/0x6c [ 2.859490] __arm_v7s_alloc_table+0x168/0x1f4 [ 2.863922] arm_v7s_alloc_pgtable+0x114/0x17c [ 2.868354] alloc_io_pgtable_ops+0x3c/0x78 ... Fixes:e5fc9753b1("iommu/io-pgtable: Add ARMv7 short descriptor support") Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.