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Date: Thu, 18 Apr 2024 03:49:36 +0800
From: kernel test robot <lkp@intel.com>
To: Byungchul Park <byungchul@sk.com>, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	kernel_team@skhynix.com, akpm@linux-foundation.org,
	ying.huang@intel.com, vernhao@tencent.com,
	mgorman@techsingularity.net, hughd@google.com, willy@infradead.org,
	david@redhat.com, peterz@infradead.org, luto@kernel.org,
	tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, rjgolo@gmail.com
Subject: Re: [PATCH v9 7/8] mm: add folio_put_mgen() to deliver migrc's
 generation number to pcp or buddy
Message-ID: <202404180327.oqZWEtEn-lkp@intel.com>
References: <20240417071847.29584-8-byungchul@sk.com>
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In-Reply-To: <20240417071847.29584-8-byungchul@sk.com>

Hi Byungchul,

kernel test robot noticed the following build errors:

[auto build test ERROR on 0bbac3facb5d6cc0171c45c9873a2dc96bea9680]

url:    https://github.com/intel-lab-lkp/linux/commits/Byungchul-Park/x86-tlb-add-APIs-manipulating-tlb-batch-s-arch-data/20240417-152211
base:   0bbac3facb5d6cc0171c45c9873a2dc96bea9680
patch link:    https://lore.kernel.org/r/20240417071847.29584-8-byungchul%40sk.com
patch subject: [PATCH v9 7/8] mm: add folio_put_mgen() to deliver migrc's generation number to pcp or buddy
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240418/202404180327.oqZWEtEn-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7089c359a3845323f6f30c44a47dd901f2edfe63)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240418/202404180327.oqZWEtEn-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404180327.oqZWEtEn-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/page_alloc.c:19:
   In file included from include/linux/mm.h:2230:
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   In file included from mm/page_alloc.c:44:
   include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
      47 |         __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
         |                                    ~~~~~~~~~~~ ^ ~~~
   include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
      49 |                                 NR_ZONE_LRU_BASE + lru, nr_pages);
         |                                 ~~~~~~~~~~~~~~~~ ^ ~~~
   mm/page_alloc.c:2812:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
    2812 |         __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
     135 |         __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
         |                           ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
   mm/page_alloc.c:2934:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
    2934 |                 __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
     135 |         __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
         |                           ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
   mm/page_alloc.c:4575:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion]
    4575 |         __count_zid_vm_events(PGALLOC, zone_idx(zone), nr_account);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events'
     135 |         __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta)
         |                           ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
   In file included from mm/page_alloc.c:58:
>> mm/internal.h:1404:9: error: call to '__compiletime_assert_368' declared with 'error' attribute: BUILD_BUG failed
    1404 |         return xchg(&current->mgen, 0);
         |                ^
   include/linux/atomic/atomic-instrumented.h:4758:2: note: expanded from macro 'xchg'
    4758 |         raw_xchg(__ai_ptr, __VA_ARGS__); \
         |         ^
   include/linux/atomic/atomic-arch-fallback.h:12:18: note: expanded from macro 'raw_xchg'
      12 | #define raw_xchg arch_xchg
         |                  ^
   arch/riscv/include/asm/cmpxchg.h:145:23: note: expanded from macro 'arch_xchg'
     145 |         (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr)));   \
         |                              ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:437:2: note: expanded from macro '_compiletime_assert'
     437 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:430:4: note: expanded from macro '__compiletime_assert'
     430 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:124:1: note: expanded from here
     124 | __compiletime_assert_368
         | ^
   In file included from mm/page_alloc.c:58:
>> mm/internal.h:1404:9: error: call to '__compiletime_assert_368' declared with 'error' attribute: BUILD_BUG failed
   include/linux/atomic/atomic-instrumented.h:4758:2: note: expanded from macro 'xchg'
    4758 |         raw_xchg(__ai_ptr, __VA_ARGS__); \
         |         ^
   include/linux/atomic/atomic-arch-fallback.h:12:18: note: expanded from macro 'raw_xchg'
      12 | #define raw_xchg arch_xchg
         |                  ^
   arch/riscv/include/asm/cmpxchg.h:145:23: note: expanded from macro 'arch_xchg'
     145 |         (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr)));   \
         |                              ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:437:2: note: expanded from macro '_compiletime_assert'
     437 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:430:4: note: expanded from macro '__compiletime_assert'
     430 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:124:1: note: expanded from here
     124 | __compiletime_assert_368
         | ^
   6 warnings and 2 errors generated.


vim +1404 mm/internal.h

  1401	
  1402	static inline unsigned int hand_over_task_mgen(void)
  1403	{
> 1404		return xchg(&current->mgen, 0);
  1405	}
  1406	

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