linux-kernel - [gustavoars:testing/wfamnae-next20250616 19/19] include/asm-generic/tlb.h:378:2: error: type name requires a specifier or qualifier

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Message-ID: <202506260845.3py4BoAJ-lkp@intel.com>
Date: Thu, 26 Jun 2025 08:07:03 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:testing/wfamnae-next20250616 19/19]
 include/asm-generic/tlb.h:378:2: error: type name requires a specifier or
 qualifier

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20250616
head:   78f053980ba50a0becae798ab7d07527d97e790d
commit: 78f053980ba50a0becae798ab7d07527d97e790d [19/19] treewide: Avoid -Wflex-array-member-not-at-end warnings
config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20250626/202506260845.3py4BoAJ-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project e04c938cc08a90ae60440ce22d072ebc69d67ee8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250626/202506260845.3py4BoAJ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506260845.3py4BoAJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/oom_kill.c:49:
   In file included from arch/s390/include/asm/tlb.h:38:
>> include/asm-generic/tlb.h:378:2: error: type name requires a specifier or qualifier
     378 |         );};
         |         ^
>> include/asm-generic/tlb.h:378:2: error: expected member name or ';' after declaration specifiers
>> include/asm-generic/tlb.h:367:28: error: expected ';' at end of declaration list
     367 |         unsigned int            batch_count;
         |                                             ^
         |                                             ;
   3 errors generated.


vim +378 include/asm-generic/tlb.h

   327	
   328		unsigned long		start;
   329		unsigned long		end;
   330		/*
   331		 * we are in the middle of an operation to clear
   332		 * a full mm and can make some optimizations
   333		 */
   334		unsigned int		fullmm : 1;
   335	
   336		/*
   337		 * we have performed an operation which
   338		 * requires a complete flush of the tlb
   339		 */
   340		unsigned int		need_flush_all : 1;
   341	
   342		/*
   343		 * we have removed page directories
   344		 */
   345		unsigned int		freed_tables : 1;
   346	
   347		/*
   348		 * Do we have pending delayed rmap removals?
   349		 */
   350		unsigned int		delayed_rmap : 1;
   351	
   352		/*
   353		 * at which levels have we cleared entries?
   354		 */
   355		unsigned int		cleared_ptes : 1;
   356		unsigned int		cleared_pmds : 1;
   357		unsigned int		cleared_puds : 1;
   358		unsigned int		cleared_p4ds : 1;
   359	
   360		/*
   361		 * tracks VM_EXEC | VM_HUGETLB in tlb_start_vma
   362		 */
   363		unsigned int		vma_exec : 1;
   364		unsigned int		vma_huge : 1;
   365		unsigned int		vma_pfn  : 1;
   366	
 > 367		unsigned int		batch_count;
   368	
   369	#ifndef CONFIG_MMU_GATHER_NO_GATHER
   370		struct mmu_gather_batch *active;
   371		TRAILING_OVERLAP(struct mmu_gather_batch, local, encoded_pages,
   372				 struct page		*__pages[MMU_GATHER_BUNDLE];
   373	
   374	#ifdef CONFIG_MMU_GATHER_PAGE_SIZE
   375		unsigned int page_size;
   376	#endif
   377	#endif
 > 378		);};
   379	

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https://github.com/intel/lkp-tests/wiki