Hi Dan, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.16-rc5 next-20180316] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dan-Williams/dax-fix-dma-vs-truncate-hole-punch/20180318-050250 config: x86_64-randconfig-x010-201811 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/dax/super.c: In function 'generic_dax_pagefree': >> drivers/dax/super.c:170:2: error: implicit declaration of function 'wake_up_var'; did you mean 'wake_up_nr'? [-Werror=implicit-function-declaration] wake_up_var(&page->_refcount); ^~~~~~~~~~~ wake_up_nr cc1: some warnings being treated as errors vim +170 drivers/dax/super.c 166 167 #if IS_ENABLED(CONFIG_FS_DAX) 168 static void generic_dax_pagefree(struct page *page, void *data) 169 { > 170 wake_up_var(&page->_refcount); 171 } 172 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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