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SubjectRe: [PATCH v13 049/137] mm/memcg: Add folio_lruvec_relock_irq() and folio_lruvec_relock_irqsave()
Hi "Matthew,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.14-rc1]
[cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core next-20210712]
[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/20210712-122232
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e73f0f0ee7541171d89f2e2491130c7771ba58d3
config: i386-randconfig-a015-20210712 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/5aef571282e393651f972fc71e3610582147b6e7
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210712-122232
git checkout 5aef571282e393651f972fc71e3610582147b6e7
# save the attached .config to linux build tree
make 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 include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/memcontrol.h: In function 'folio_matches_lruvec':
>> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration]
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~~~~~~~~~~
include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~
cc1: some warnings being treated as errors
--
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/memcontrol.h: In function 'folio_matches_lruvec':
>> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration]
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~~~~~~~~~~
include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1212: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:220: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/memcontrol.h: In function 'folio_matches_lruvec':
>> include/linux/memcontrol.h:1530:33: error: implicit declaration of function 'folio_memcg' [-Werror=implicit-function-declaration]
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~~~~~~~~~~
include/linux/memcontrol.h:1530:30: warning: comparison between pointer and integer
1530 | lruvec_memcg(lruvec) == folio_memcg(folio);
| ^~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1212: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:220: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.


vim +/folio_memcg +1530 include/linux/memcontrol.h

1524
1525 /* Test requires a stable page->memcg binding, see page_memcg() */
1526 static inline bool folio_matches_lruvec(struct folio *folio,
1527 struct lruvec *lruvec)
1528 {
1529 return lruvec_pgdat(lruvec) == folio_pgdat(folio) &&
> 1530 lruvec_memcg(lruvec) == folio_memcg(folio);
1531 }
1532

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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