Hi Syed, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on b9bbe6ed63b2b9f2c9ee5cbd0f2c946a2723f4ce] url: https://github.com/0day-ci/linux/commits/Syed-Nayyar-Waris/Introduce-the-for_each_set_clump-macro/20200524-130931 base: b9bbe6ed63b2b9f2c9ee5cbd0f2c946a2723f4ce config: x86_64-randconfig-s021-20200529 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: lib/test_bitmap.o(.data+0xe80): Section mismatch in reference from the variable clump_test_data to the variable .init.rodata:clump_exp1 The variable clump_test_data references the variable __initconst clump_exp1 If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: -- >> WARNING: modpost: lib/test_bitmap.o(.data+0xec8): Section mismatch in reference from the variable clump_test_data to the variable .init.rodata:clump_exp2 The variable clump_test_data references the variable __initconst clump_exp2 If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: -- >> WARNING: modpost: lib/test_bitmap.o(.data+0xf10): Section mismatch in reference from the variable clump_test_data to the variable .init.rodata:clump_exp3 The variable clump_test_data references the variable __initconst clump_exp3 If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: -- >> WARNING: modpost: lib/test_bitmap.o(.data+0xf58): Section mismatch in reference from the variable clump_test_data to the variable .init.rodata:clump_exp4 The variable clump_test_data references the variable __initconst clump_exp4 If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org