linux-kernel - Re: [PATCH] asm-generic/io.h: remove unnecessary include of linux/vmalloc.h

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Date:   Fri, 8 Sep 2017 03:31:31 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Tobias Klauser <tklauser@...tanz.ch>
Cc:     kbuild-all@...org, Arnd Bergmann <arnd@...db.de>,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] asm-generic/io.h: remove unnecessary include of
 linux/vmalloc.h

Hi Tobias,

[auto build test WARNING on v4.13]
[also build test WARNING on next-20170907]
[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/Tobias-Klauser/asm-generic-io-h-remove-unnecessary-include-of-linux-vmalloc-h/20170908-012111
config: openrisc-or1ksim_defconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 5.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All warnings (new ones prefixed by >>):

   In file included from arch/openrisc/include/asm/io.h:33:0,
                    from include/linux/io.h:25,
                    from drivers/tty/serial/earlycon.c:19:
>> arch/openrisc/include/asm/pgtable.h:424:2: warning: 'struct vm_area_struct' declared inside parameter list
     unsigned long address, pte_t *pte)
     ^
>> arch/openrisc/include/asm/pgtable.h:424:2: warning: its scope is only this definition or declaration, which is probably not what you want

vim +424 arch/openrisc/include/asm/pgtable.h

61e85e36 Jonas Bonn 2011-06-04  416  
61e85e36 Jonas Bonn 2011-06-04  417  /*
61e85e36 Jonas Bonn 2011-06-04  418   * or32 doesn't have any external MMU info: the kernel page
61e85e36 Jonas Bonn 2011-06-04  419   * tables contain all the necessary information.
61e85e36 Jonas Bonn 2011-06-04  420   *
61e85e36 Jonas Bonn 2011-06-04  421   * Actually I am not sure on what this could be used for.
61e85e36 Jonas Bonn 2011-06-04  422   */
61e85e36 Jonas Bonn 2011-06-04  423  static inline void update_mmu_cache(struct vm_area_struct *vma,
61e85e36 Jonas Bonn 2011-06-04 @424  	unsigned long address, pte_t *pte)
61e85e36 Jonas Bonn 2011-06-04  425  {
61e85e36 Jonas Bonn 2011-06-04  426  }
61e85e36 Jonas Bonn 2011-06-04  427  

:::::: The code at line 424 was first introduced by commit
:::::: 61e85e367535a7b6385b404bef93928768140f96 OpenRISC: Memory management

:::::: TO: Jonas Bonn <jonas@...thpole.se>
:::::: CC: Jonas Bonn <jonas@...thpole.se>

---
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