Hi Barry, I love your patch! Perhaps something to improve:
[auto build test WARNING on arm64/for-next/core] [also build test WARNING on linus/master v5.7] [cannot apply to hch-configfs/for-next next-20200602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Barry-Song/support-per-numa-CMA-for-ARM-server/20200603-104821 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: i386-randconfig-r033-20200602 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/kernel.h:15, from include/asm-generic/bug.h:19, from arch/x86/include/asm/bug.h:83, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:9, from include/linux/memblock.h:13, from kernel/dma/contiguous.c:21: kernel/dma/contiguous.c: In function 'dma_pernuma_cma_reserve': >> include/linux/kern_levels.h:5:18: warning: format '%llu' expects argument of >> type 'long long unsigned int', but argument 3 has type 'unsigned int' >> [-Wformat=] 5 | #define KERN_SOH "001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:137:10: note: in definition of macro 'no_printk' 137 | printk(fmt, ##__VA_ARGS__); | ^~~ include/linux/kern_levels.h:15:20: note: in expansion of macro 'KERN_SOH' 15 | #define KERN_DEBUG KERN_SOH "7" /* debug-level messages */ | ^~~~~~~~ include/linux/printk.h:336:12: note: in expansion of macro 'KERN_DEBUG' 336 | no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ kernel/dma/contiguous.c:128:3: note: in expansion of macro 'pr_debug' 128 | pr_debug("%s: reserved %llu MiB on node %dn", __func__, | ^~~~~~~~ kernel/dma/contiguous.c:128:29: note: format string is defined here 128 | pr_debug("%s: reserved %llu MiB on node %dn", __func__, | ~~~^ | | | long long unsigned int | %u vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 :::::: The code at line 5 was first introduced by commit :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern :::::: TO: Joe Perches <j...@perches.com> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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