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Date: Wed, 24 Apr 2024 04:58:28 +0800
From: kernel test robot <lkp@...el.com>
To: Shakeel Butt <shakeel.butt@...ux.dev>,
Andrew Morton <akpm@...ux-foundation.org>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Muchun Song <muchun.song@...ux.dev>
Cc: oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] memcg: reduce memory for the lruvec and memcg stats
Hi Shakeel,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20240422]
[cannot apply to akpm-mm/mm-everything linus/master v6.9-rc5 v6.9-rc4 v6.9-rc3 v6.9-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Shakeel-Butt/mm-rearrange-node_stat_item-to-put-memcg-stats-at-start/20240423-132451
base: next-20240422
patch link: https://lore.kernel.org/r/20240423051826.791934-3-shakeel.butt%40linux.dev
patch subject: [PATCH 2/4] memcg: reduce memory for the lruvec and memcg stats
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240424/202404240415.fucxk6Ix-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240424/202404240415.fucxk6Ix-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/202404240415.fucxk6Ix-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
In function 'memcg_stat_format',
inlined from 'memory_stat_format.constprop' at mm/memcontrol.c:1707:3:
>> include/linux/compiler_types.h:460:45: error: call to '__compiletime_assert_633' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(memory_stats) != MEMCG_NR_STAT - 1
460 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:441:25: note: in definition of macro '__compiletime_assert'
441 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:460:9: note: in expansion of macro '_compiletime_assert'
460 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
mm/memcontrol.c:1651:9: note: in expansion of macro 'BUILD_BUG_ON'
1651 | BUILD_BUG_ON(ARRAY_SIZE(memory_stats) != MEMCG_NR_STAT - 1);
| ^~~~~~~~~~~~
In function 'memcg_stat_format',
inlined from 'memory_stat_format' at mm/memcontrol.c:1707:3,
inlined from 'memory_stat_show' at mm/memcontrol.c:6946:2:
>> include/linux/compiler_types.h:460:45: error: call to '__compiletime_assert_633' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(memory_stats) != MEMCG_NR_STAT - 1
460 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:441:25: note: in definition of macro '__compiletime_assert'
441 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:460:9: note: in expansion of macro '_compiletime_assert'
460 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
mm/memcontrol.c:1651:9: note: in expansion of macro 'BUILD_BUG_ON'
1651 | BUILD_BUG_ON(ARRAY_SIZE(memory_stats) != MEMCG_NR_STAT - 1);
| ^~~~~~~~~~~~
vim +/__compiletime_assert_633 +460 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 446
eb5c2d4b45e3d2 Will Deacon 2020-07-21 447 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 448 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 449
eb5c2d4b45e3d2 Will Deacon 2020-07-21 450 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 451 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 452 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 453 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 454 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 455 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 456 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 457 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 458 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 459 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @460 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 461
--
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