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Message-ID: <202104100656.N7EVvkNZ-lkp@intel.com>
Date: Sat, 10 Apr 2021 06:45:35 +0800
From: kernel test robot <lkp@...el.com>
To: "Matthew Wilcox (Oracle)" <willy@...radead.org>, linux-mm@...ck.org
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
"Matthew Wilcox (Oracle)" <willy@...radead.org>,
linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
Jeff Layton <jlayton@...nel.org>
Subject: Re: [PATCH v7 02/28] mm: Introduce struct folio
Hi "Matthew,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20210409]
[also build test ERROR on v5.12-rc6]
[cannot apply to linux/master linus/master hnaz-linux-mm/master v5.12-rc6 v5.12-rc5 v5.12-rc4]
[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]
url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-Folios/20210410-031353
base: e99d8a8495175df8cb8b739f8cf9b0fc9d0cd3b5
config: powerpc-randconfig-r032-20210409 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project dd453a1389b6a7e6d9214b449d3c54981b1a89b6)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/0day-ci/linux/commit/5658a201516d2ed74a34c328e3b55f552d4861d8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-Folios/20210410-031353
git checkout 5658a201516d2ed74a34c328e3b55f552d4861d8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:274:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, lru) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, lru) == offsetof(struct folio, lru)"
FOLIO_MATCH(lru, lru);
^~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:275:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, compound_head) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, compound_head) == offsetof(struct folio, lru)"
FOLIO_MATCH(compound_head, lru);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:276:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, index) == __builtin_offsetof(struct folio, index)' "offsetof(struct page, index) == offsetof(struct folio, index)"
FOLIO_MATCH(index, index);
^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:277:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, private) == __builtin_offsetof(struct folio, private)' "offsetof(struct page, private) == offsetof(struct folio, private)"
FOLIO_MATCH(private, private);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:278:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _mapcount) == __builtin_offsetof(struct folio, _mapcount)' "offsetof(struct page, _mapcount) == offsetof(struct folio, _mapcount)"
FOLIO_MATCH(_mapcount, _mapcount);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:279:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _refcount) == __builtin_offsetof(struct folio, _refcount)' "offsetof(struct page, _refcount) == offsetof(struct folio, _refcount)"
FOLIO_MATCH(_refcount, _refcount);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:281:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, memcg_data) == __builtin_offsetof(struct folio, memcg_data)' "offsetof(struct page, memcg_data) == offsetof(struct folio, memcg_data)"
FOLIO_MATCH(memcg_data, memcg_data);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
2 warnings and 7 errors generated.
--
error: no override and no default toolchain set
init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:274:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, lru) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, lru) == offsetof(struct folio, lru)"
FOLIO_MATCH(lru, lru);
^~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:275:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, compound_head) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, compound_head) == offsetof(struct folio, lru)"
FOLIO_MATCH(compound_head, lru);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:276:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, index) == __builtin_offsetof(struct folio, index)' "offsetof(struct page, index) == offsetof(struct folio, index)"
FOLIO_MATCH(index, index);
^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:277:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, private) == __builtin_offsetof(struct folio, private)' "offsetof(struct page, private) == offsetof(struct folio, private)"
FOLIO_MATCH(private, private);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:278:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _mapcount) == __builtin_offsetof(struct folio, _mapcount)' "offsetof(struct page, _mapcount) == offsetof(struct folio, _mapcount)"
FOLIO_MATCH(_mapcount, _mapcount);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:279:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _refcount) == __builtin_offsetof(struct folio, _refcount)' "offsetof(struct page, _refcount) == offsetof(struct folio, _refcount)"
FOLIO_MATCH(_refcount, _refcount);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:15:
In file included from include/linux/radix-tree.h:19:
In file included from include/linux/xarray.h:14:
In file included from include/linux/gfp.h:6:
In file included from include/linux/mmzone.h:21:
>> include/linux/mm_types.h:281:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, memcg_data) == __builtin_offsetof(struct folio, memcg_data)' "offsetof(struct page, memcg_data) == offsetof(struct folio, memcg_data)"
FOLIO_MATCH(memcg_data, memcg_data);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH'
static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
In file included from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
2 warnings and 7 errors generated.
make[2]: *** [scripts/Makefile.build:118: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1304: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:222: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +274 include/linux/mm_types.h
269
270 static_assert(sizeof(struct page) == sizeof(struct folio));
271 #define FOLIO_MATCH(pg, fl) \
272 static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl))
273 FOLIO_MATCH(flags, flags);
> 274 FOLIO_MATCH(lru, lru);
> 275 FOLIO_MATCH(compound_head, lru);
> 276 FOLIO_MATCH(index, index);
> 277 FOLIO_MATCH(private, private);
> 278 FOLIO_MATCH(_mapcount, _mapcount);
> 279 FOLIO_MATCH(_refcount, _refcount);
280 #ifdef CONFIG_MEMCG
> 281 FOLIO_MATCH(memcg_data, memcg_data);
282 #endif
283 #undef FOLIO_MATCH
284
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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