Re: [PATCH 2/2] kfree_rcu() should use kfree_bulk() interface

[kbuild test robot <lkp@intel.com>]

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Hi Rao,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rcu/rcu/next]
[also build test ERROR on v4.16 next-20180329]
[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/rao-shoaib-oracle-com/Move-kfree_rcu-out-of-rcu-code-and-use-kfree_bulk/20180402-135939
base:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
config: x86_64-randconfig-x010-201813 (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 >>):

   In file included from include/linux/rcupdate.h:214:0,
                    from include/linux/srcu.h:33,
                    from include/linux/notifier.h:16,
                    from include/linux/memory_hotplug.h:7,
                    from include/linux/mmzone.h:775,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:24,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/rcutiny.h:87:20: error: static declaration of 'call_rcu_lazy' follows non-static declaration
    static inline void call_rcu_lazy(struct rcu_head *head,
                       ^~~~~~~~~~~~~
   In file included from include/linux/srcu.h:33:0,
                    from include/linux/notifier.h:16,
                    from include/linux/memory_hotplug.h:7,
                    from include/linux/mmzone.h:775,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:24,
                    from arch/x86/kernel/asm-offsets.c:9:
   include/linux/rcupdate.h:59:6: note: previous declaration of 'call_rcu_lazy' was here
    void call_rcu_lazy(struct rcu_head *head, rcu_callback_t func);
         ^~~~~~~~~~~~~
   make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +/call_rcu_lazy +87 include/linux/rcutiny.h

    86	
  > 87	static inline void call_rcu_lazy(struct rcu_head *head,
    88					 rcu_callback_t func)
    89	{
    90		call_rcu(head, func);
    91	}
    92	

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