Hi Aihua, [auto build test WARNING on: v4.4-rc1] [also build test WARNING on: next-20151117] url: https://github.com/0day-ci/linux/commits/zhangaihua1-huawei-com/fix-compile-error-while-opening-the-macro-DOUBLE_CHECK/20151117-110904 config: parisc-c3000_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=parisc All warnings (new ones prefixed by >>): In file included from fs/ext4/ext4_jbd2.h:20:0, from fs/ext4/extents.c:43: >> fs/ext4/ext4.h:49:1: warning: "/*" within comment [-Wcomment] /* ^ fs/ext4/ext4.h:55:1: warning: "/*" within comment [-Wcomment] /* ^ vim +49 fs/ext4/ext4.h 33 #include <crypto/hash.h> 34 #include <linux/falloc.h> 35 #ifdef __KERNEL__ 36 #include <linux/compat.h> 37 #endif 38 39 /* 40 * The fourth extended filesystem constants/structures 41 */ 42 43 /* 44 * with AGGRESSIVE_CHECK allocator runs consistency checks over 45 * structures. these checks slow things down a lot 46 * / 47 #define AGGRESSIVE_CHECK__ 48 > 49 /* 50 * with DOUBLE_CHECK defined mballoc creates persistent in-core 51 * bitmaps, maintains and uses them to check for double allocations 52 * / 53 #define DOUBLE_CHECK__ 54 55 /* 56 * Define EXT4FS_DEBUG to produce debug messages 57 */ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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