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Message-ID: <202411031633.Hlf9Mjxh-lkp@intel.com>
Date: Sun, 3 Nov 2024 17:03:45 +0800
From: kernel test robot <lkp@...el.com>
To: Kanchana P Sridhar <kanchana.p.sridhar@...el.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	hannes@...xchg.org, yosryahmed@...gle.com, nphamcs@...il.com,
	chengming.zhou@...ux.dev, usamaarif642@...il.com,
	ryan.roberts@....com, ying.huang@...el.com, 21cnbao@...il.com,
	akpm@...ux-foundation.org, linux-crypto@...r.kernel.org,
	herbert@...dor.apana.org.au, davem@...emloft.net,
	clabbe@...libre.com, ardb@...nel.org, ebiggers@...gle.com,
	surenb@...gle.com, kristen.c.accardi@...el.com, zanussi@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, wajdi.k.feghali@...el.com,
	vinodh.gopal@...el.com, kanchana.p.sridhar@...el.com
Subject: Re: [PATCH v2 12/13] mm: Add sysctl vm.compress-batching switch for
 compress batching during swapout.

Hi Kanchana,

kernel test robot noticed the following build errors:

[auto build test ERROR on 5c4cf96cd70230100b5d396d45a5c9a332539d19]

url:    https://github.com/intel-lab-lkp/linux/commits/Kanchana-P-Sridhar/crypto-acomp-Define-two-new-interfaces-for-compress-decompress-batching/20241103-112337
base:   5c4cf96cd70230100b5d396d45a5c9a332539d19
patch link:    https://lore.kernel.org/r/20241103032111.333282-13-kanchana.p.sridhar%40intel.com
patch subject: [PATCH v2 12/13] mm: Add sysctl vm.compress-batching switch for compress batching during swapout.
config: m68k-stmark2_defconfig (https://download.01.org/0day-ci/archive/20241103/202411031633.Hlf9Mjxh-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241103/202411031633.Hlf9Mjxh-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/202411031633.Hlf9Mjxh-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/swap.c:17:
>> include/linux/mm.h:88:27: error: expected identifier or '(' before numeric constant
      88 | #define compress_batching 0
         |                           ^
   mm/swap.c:51:14: note: in expansion of macro 'compress_batching'
      51 | unsigned int compress_batching;
         |              ^~~~~~~~~~~~~~~~~
   mm/swap.c: In function 'swap_setup':
>> mm/swap.c:1082:27: error: lvalue required as left operand of assignment
    1082 |         compress_batching = 0;
         |                           ^


vim +88 include/linux/mm.h

    82	
    83	#ifdef CONFIG_SYSCTL
    84	extern int sysctl_legacy_va_layout;
    85	extern unsigned int compress_batching;
    86	#else
    87	#define sysctl_legacy_va_layout 0
  > 88	#define compress_batching 0
    89	#endif
    90	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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