From: kernel test robot <lkp@intel.com>
To: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Vlastimil Babka <vbabka@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [linux-next:master 2901/3150] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_205' declared with attribute error: unexpected size in kmalloc_index()
Date: Fri, 14 May 2021 22:29:39 +0800 [thread overview]
Message-ID: <202105142235.C8ukPpjX-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: cd557f1c605fc5a2c0eb0b540610f50dc67dd849
commit: ff3daafe3fd3e54c8cf6aeb865099c7bb02e5c51 [2901/3150] mm, slub: change run-time assertion in kmalloc_index() to compile-time
config: i386-randconfig-f001-20191225 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ff3daafe3fd3e54c8cf6aeb865099c7bb02e5c51
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout ff3daafe3fd3e54c8cf6aeb865099c7bb02e5c51
# save the attached .config to linux build tree
make W=1 W=1 ARCH=i386
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 >>):
In file included from <command-line>:
In function 'kmalloc_index',
inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9:
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_205' declared with attribute error: unexpected size in kmalloc_index()
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
309 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _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/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
389 | BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
| ^~~~~~~~~~~~~~~~
vim +/__compiletime_assert_205 +328 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 314
eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 317
eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 329
:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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