linux-kernel - arch/x86/mm/highmem_32.c:66:13: warning: no previous prototype for 'set_highmem_pages

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Date:   Wed, 29 Sep 2021 07:15:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>
Subject: arch/x86/mm/highmem_32.c:66:13: warning: no previous prototype for
 'set_highmem_pages_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e7bd807e8c9e37b0eef24e13df1f0619c39dc559
commit: 0cd39f4600ed4de859383018eb10f0f724900e1b locking/seqlock, headers: Untangle the spaghetti monster
date:   1 year, 2 months ago
config: i386-randconfig-r036-20210927 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cd39f4600ed4de859383018eb10f0f724900e1b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 0cd39f4600ed4de859383018eb10f0f724900e1b
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> arch/x86/mm/highmem_32.c:66:13: warning: no previous prototype for 'set_highmem_pages_init' [-Wmissing-prototypes]
      66 | void __init set_highmem_pages_init(void)
         |             ^~~~~~~~~~~~~~~~~~~~~~


vim +/set_highmem_pages_init +66 arch/x86/mm/highmem_32.c

60e64d46a58236e3 arch/i386/mm/highmem.c   Vivek Goyal  2005-06-25  65  
867c5b5292583b1e arch/x86/mm/highmem_32.c Pekka Enberg 2009-03-03 @66  void __init set_highmem_pages_init(void)

:::::: The code at line 66 was first introduced by commit
:::::: 867c5b5292583b1e474cbbcb4c77f09bfca3903c x86: set_highmem_pages_init() cleanup

:::::: TO: Pekka Enberg <penberg@...helsinki.fi>
:::::: CC: Ingo Molnar <mingo@...e.hu>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (32948 bytes)