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b=1WQPAkk4JxuRn6OJPNtwDE3nXE9G0bQUl72rvYhmDs/K41ifdcyemRCR/Ao28oKw7 9F943gVM6rzuA30PAfdL5/Qv5wqQjJfMB4LPV4V7rZDQsGSYrVoW2a/T9SNQSTtwK1 +n0iuXROvkI9zY4ndIH4K5TwGoGWswgYfZ2TCsl8= Date: Sun, 20 Apr 2025 13:30:12 -0700 From: Andrew Morton To: "Uladzislau Rezki (Sony)" Cc: linux-mm@kvack.org, LKML , Baoquan He , Christoph Hellwig , Oleksiy Avramchenko , kernel test robot Subject: Re: [PATCH] lib/test_vmalloc.c: Fix compile error with CONFIG_TINY_RCU Message-Id: <20250420133012.9ddb6f2241512eb6828378bd@linux-foundation.org> In-Reply-To: <20250420142029.103169-1-urezki@gmail.com> References: <20250420142029.103169-1-urezki@gmail.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: fyu4sus1w8i4ftjn3mspdnedbgjsxdnu X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 06F3A40003 X-Rspam-User: X-HE-Tag: 1745181013-279946 X-HE-Meta: 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 yl5dmQ8+ QvDi6Zgnx/SP4Wb+8YCUgaL4agqb5FSCiwHl2NGycIkimghUKVX4yubfoKolx3XPRmo4ImwJRnqLZFt+YiWJIw69zbkVvSQxZLk02cjCvagIJLK2FJBD2NASbZE7J6R4BHVGu+JmFzHzyQeRaPMpCTKMNrWXKaR8ZwNKq+7skY2p9ZDJH6Z9zIE37P52DDUpTx71X5ux9i6cbHYiCKsay4u9xnOnu5anNgnYRaG6iVFXnHzp0MoEeXLc8KU5jspX833AFGnjMul7CuviInWB8YAc7VAPyjtLfnYbGRjZ3JWfBb5iaPl4Khzo3YjMra3NCUaXf7j+dyECg8JEwXIfrVlHS5szwFSpJF6z4W84EiHnCkgsqi0053uOK/Q== 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 Sun, 20 Apr 2025 16:20:29 +0200 "Uladzislau Rezki (Sony)" wrote: > When the kernel is built with CONFIG_TINY_RCU, compiling the > test_vmalloc.c fails, due to conflicting definitions like > "struct srcu_usage", etc. between "srcutiny.h" and "srcutree.h". > > It happens because of direct including the "srcutree.h" bypassing > the automatic selection mechanism. A correct approach is to include > a generic which properly select SRCU implementation > based on a kernel configuration. > > Fix it by replacing the "srcutree.h" include with "srcu.h". > > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202504190717.tJHs381f-lkp@intel.com/ > Signed-off-by: Uladzislau Rezki (Sony) Thanks. This is a fix against the mm-unstable patch "lib/test_vmalloc.c: replace RWSEM to SRCU for setup".