Hi Alex, I love your patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Alex-Elder/net-ipa-support-COMPILE_TEST/20210106-104149 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 3db1a3fa98808aa90f95ec3e0fa2fc7abf28f5c9 config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/7ab1759d9336e95f4de013bb171246b66f94e2f4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alex-Elder/net-ipa-support-COMPILE_TEST/20210106-104149 git checkout 7ab1759d9336e95f4de013bb171246b66f94e2f4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/net/ipa/ipa_gsi.c:10: >> drivers/net/ipa/gsi_trans.h:170:56: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration 170 | int gsi_trans_page_add(struct gsi_trans *trans, struct page *page, u32 size, | ^~~~ vim +170 drivers/net/ipa/gsi_trans.h 9dd441e4ed5755c Alex Elder 2020-03-05 149 9dd441e4ed5755c Alex Elder 2020-03-05 150 /** 9dd441e4ed5755c Alex Elder 2020-03-05 151 * gsi_trans_cmd_add() - Add an immediate command to a transaction 9dd441e4ed5755c Alex Elder 2020-03-05 152 * @trans: Transaction 9dd441e4ed5755c Alex Elder 2020-03-05 153 * @buf: Buffer pointer for command payload 9dd441e4ed5755c Alex Elder 2020-03-05 154 * @size: Number of bytes in buffer 9dd441e4ed5755c Alex Elder 2020-03-05 155 * @addr: DMA address for payload 9dd441e4ed5755c Alex Elder 2020-03-05 156 * @direction: Direction of DMA transfer (or DMA_NONE if none required) 9dd441e4ed5755c Alex Elder 2020-03-05 157 * @opcode: IPA immediate command opcode 9dd441e4ed5755c Alex Elder 2020-03-05 158 */ 9dd441e4ed5755c Alex Elder 2020-03-05 159 void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size, 9dd441e4ed5755c Alex Elder 2020-03-05 160 dma_addr_t addr, enum dma_data_direction direction, 9dd441e4ed5755c Alex Elder 2020-03-05 161 enum ipa_cmd_opcode opcode); 9dd441e4ed5755c Alex Elder 2020-03-05 162 9dd441e4ed5755c Alex Elder 2020-03-05 163 /** 9dd441e4ed5755c Alex Elder 2020-03-05 164 * gsi_trans_page_add() - Add a page transfer to a transaction 9dd441e4ed5755c Alex Elder 2020-03-05 165 * @trans: Transaction 9dd441e4ed5755c Alex Elder 2020-03-05 166 * @page: Page pointer 9dd441e4ed5755c Alex Elder 2020-03-05 167 * @size: Number of bytes (starting at offset) to transfer 9dd441e4ed5755c Alex Elder 2020-03-05 168 * @offset: Offset within page for start of transfer 9dd441e4ed5755c Alex Elder 2020-03-05 169 */ 9dd441e4ed5755c Alex Elder 2020-03-05 @170 int gsi_trans_page_add(struct gsi_trans *trans, struct page *page, u32 size, 9dd441e4ed5755c Alex Elder 2020-03-05 171 u32 offset); 9dd441e4ed5755c Alex Elder 2020-03-05 172 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org