[norov:demotion 4/6] mm/vmscan.c:528:12: error: use of undeclared identifier 'PG_demote'

From: kernel test robot
Date: Sun Aug 08 2021 - 11:19:55 EST


tree: https://github.com/norov/linux demotion
head: 78c3964952da24c07f2e34dc2d485fd2e6d5ba82
commit: e71fae18b9c6ad0f0f71a1f80cff17fdb03bfc3b [4/6] mm/demotion: enable per-page demotion
config: hexagon-randconfig-r021-20210808 (attached as .config)
compiler: clang version 12.0.0
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
# https://github.com/norov/linux/commit/e71fae18b9c6ad0f0f71a1f80cff17fdb03bfc3b
git remote add norov https://github.com/norov/linux
git fetch --no-tags norov demotion
git checkout e71fae18b9c6ad0f0f71a1f80cff17fdb03bfc3b
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

mm/vmscan.c:524:35: error: cannot take the address of an rvalue of type 'int'
if (test_bit(NUMA_DEMOTION_FLAG, &numa_demotion_flags))
^~~~~~~~~~~~~~~~~~~~
arch/hexagon/include/asm/bitops.h:175:43: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) __test_bit(nr, addr)
^~~~
mm/vmscan.c:527:44: error: cannot take the address of an rvalue of type 'int'
if (test_bit(NUMA_DEMOTION_REQ_MADV_FLAG, &numa_demotion_flags) &&
^~~~~~~~~~~~~~~~~~~~
arch/hexagon/include/asm/bitops.h:175:43: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) __test_bit(nr, addr)
^~~~
>> mm/vmscan.c:528:12: error: use of undeclared identifier 'PG_demote'
test_bit(PG_demote, &page->flags))
^
mm/vmscan.c:536:36: error: cannot take the address of an rvalue of type 'int'
if (!test_bit(NUMA_DEMOTION_FLAG, &numa_demotion_flags) &&
^~~~~~~~~~~~~~~~~~~~
arch/hexagon/include/asm/bitops.h:175:43: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) __test_bit(nr, addr)
^~~~
mm/vmscan.c:537:42: error: cannot take the address of an rvalue of type 'int'
!test_bit(NUMA_DEMOTION_REQ_MADV_FLAG, &numa_demotion_flags))
^~~~~~~~~~~~~~~~~~~~
arch/hexagon/include/asm/bitops.h:175:43: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) __test_bit(nr, addr)
^~~~
5 errors generated.


vim +/PG_demote +528 mm/vmscan.c

521
522 static bool can_demote_page(struct page *page)
523 {
524 if (test_bit(NUMA_DEMOTION_FLAG, &numa_demotion_flags))
525 return true;
526
527 if (test_bit(NUMA_DEMOTION_REQ_MADV_FLAG, &numa_demotion_flags) &&
> 528 test_bit(PG_demote, &page->flags))
529 return true;
530
531 return false;
532 }
533

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

Attachment: .config.gz
Description: application/gzip