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Date:   Wed, 30 Mar 2022 14:32:23 +0800
From:   kernel test robot <lkp@intel.com>
To:     Charan Teja Reddy <charante@codeaurora.org>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        GNU/Weeb Mailing List <gwml@vger.gnuweeb.org>,
        linux-kernel@vger.kernel.org,
        Suren Baghdasaryan <surenb@google.com>
Subject: [ammarfaizi2-block:google/android/kernel/common/android12-trusty-5.10
 5835/5872] mm/compaction.c:766:15: error: redefinition of
 'isolate_and_split_free_page'
Message-ID: <202203301416.uykWxBeR-lkp@intel.com>
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tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10
head:   07055bfd3d810d41a38354693dfaa55a6f8c0025
commit: 8cd9aa93b7269460e8d5e4407738f21fe5d6e720 [5835/5872] ANDROID: implement wrapper for reverse migration
config: arm64-randconfig-r036-20220327 (https://download.01.org/0day-ci/archive/20220330/202203301416.uykWxBeR-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/ammarfaizi2/linux-block/commit/8cd9aa93b7269460e8d5e4407738f21fe5d6e720
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-trusty-5.10
        git checkout 8cd9aa93b7269460e8d5e4407738f21fe5d6e720
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> mm/compaction.c:766:15: error: redefinition of 'isolate_and_split_free_page'
   unsigned long isolate_and_split_free_page(struct page *page,
                 ^
   include/linux/compaction.h:241:22: note: previous definition is here
   static unsigned long isolate_and_split_free_page(struct page *page,
                        ^
   1 error generated.


vim +/isolate_and_split_free_page +766 mm/compaction.c

   765	
 > 766	unsigned long isolate_and_split_free_page(struct page *page,
   767							struct list_head *list)
   768	{
   769		unsigned long isolated;
   770		unsigned int order;
   771	
   772		if (!PageBuddy(page))
   773			return 0;
   774	
   775		order = buddy_order(page);
   776		isolated = __isolate_free_page(page, order);
   777		if (!isolated)
   778			return 0;
   779	
   780		set_page_private(page, order);
   781		list_add(&page->lru, list);
   782	
   783		split_map_pages(list);
   784	
   785		return isolated;
   786	}
   787	EXPORT_SYMBOL_GPL(isolate_and_split_free_page);
   788	

-- 
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https://01.org/lkp