Hi Eugene,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Eugene-Syromiatnikov/bpf-add-boot-parameters-for-sysctl-knobs/20180526-164048
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: i386-randconfig-x074-06101602 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

quoted

kernel//bpf/core.c:325:38: error: 'CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM_VALUE' undeclared here (not in a function); did you mean 'CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM'?

    int bpf_jit_kallsyms __read_mostly = CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM_VALUE;
                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                         CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM

vim +325 kernel//bpf/core.c

   323	
   324	#ifdef CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM
 > 325	int bpf_jit_kallsyms __read_mostly = CONFIG_BPF_JIT_KALLSYMS_BOOTPARAM_VALUE;
   326	

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