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b=eu/GxhyK6rSliu26tWMN2lD7qjjN9caVpmyl8Rs2B07arfXPlSkDzMEfbPjLbBICF 2rKA7vefw5tUUdiItpyyecMVzgEPJKSTKzh8axyExo6DWo4k0Z8SGsgjk28DJHjM5V IlJgQ1XSXx2LsOuZg7VP1nYVgKkc1uZ20xaLWWvw= Date: Thu, 4 Apr 2024 11:25:18 -0700 From: Andrew Morton To: Huacai Chen Cc: Huacai Chen , loongarch@lists.linux.dev, linux-mm@kvack.org, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn Subject: Re: [PATCH 1/3] mm: Move lowmem_page_address() a little later Message-Id: <20240404112518.51204544a4e73c2639ce53b1@linux-foundation.org> In-Reply-To: <20240404133642.971583-2-chenhuacai@loongson.cn> References: <20240404133642.971583-1-chenhuacai@loongson.cn> <20240404133642.971583-2-chenhuacai@loongson.cn> 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-Rspamd-Queue-Id: 4EDADC0006 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: r191py9znb85qbgwdqix8kat8c639e1x X-HE-Tag: 1712255122-851671 X-HE-Meta: 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 tZ/2oJRU icS5ZYJBn6UwV8OtRCb5nFUQ1rpvnvqge0PTnlQ+IMaCZMTfPdwys3/hwbE+5zuUwxQuquvbliMZHU5bWRGgCV5How0dCd6LSZQ/P2y6D3AlzVQDGFXv3Tol4u6dxjRnI/XZf4JsJnlzt08m28yqrVDg8kB5rHxy0AQhXE1aQTgWvcDMsy3WJplyVbmEs3QH57kHYi/db+sMMClryd0iyrdR2lQA5GthM7hhOhU1D813QFhhOdoDN/kUzbRdLsXratNrvgH2AH9BxG3SfZ4nUPxlhWMvPdjY5xM0nXd2qY4YDAm2UoxF5dNNGh9W2uEv5F1fgJXtcRFHR53Tp5mILTtqEOsvzC8X3WeMfAmmq4jb4TWc= 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 Thu, 4 Apr 2024 21:36:34 +0800 Huacai Chen wrote: > LoongArch will override page_to_virt() which use page_address() in the > KFENCE case (by defining WANT_PAGE_VIRTUAL/HASHED_PAGE_VIRTUAL). So move > lowmem_page_address() a little later to avoid such build errors: > > error: implicit declaration of function 'page_address'. > Acked-by: Andrew Morton Please ensure that it spends adequate time in linux-next for the compilation testing.