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SubjectRe: [PATCH] mm/compaction:let proactive compaction order configurable
Hi chukaiping,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kees/for-next/pstore]
[also build test ERROR on linus/master v5.12-rc7 next-20210412]
[cannot apply to hnaz-linux-mm/master]
[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/chukaiping/mm-compaction-let-proactive-compaction-order-configurable/20210412-172336
base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
config: powerpc-cell_defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/a203321bf356e9514ca678c96119df72d6bfa803
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review chukaiping/mm-compaction-let-proactive-compaction-order-configurable/20210412-172336
git checkout a203321bf356e9514ca678c96119df72d6bfa803
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc

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 arch/powerpc/include/asm/mmu.h:149,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/sched.h:12,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from mm/compaction.c:11:
>> arch/powerpc/include/asm/page.h:39:28: error: initializer element is not constant
39 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
| ^
mm/compaction.c:66:32: note: in expansion of macro 'HUGETLB_PAGE_ORDER'
66 | #define COMPACTION_HPAGE_ORDER HUGETLB_PAGE_ORDER
| ^~~~~~~~~~~~~~~~~~
mm/compaction.c:2669:54: note: in expansion of macro 'COMPACTION_HPAGE_ORDER'
2669 | unsigned int __read_mostly sysctl_compaction_order = COMPACTION_HPAGE_ORDER;
| ^~~~~~~~~~~~~~~~~~~~~~


vim +39 arch/powerpc/include/asm/page.h

5cd16ee934eafc include/asm-powerpc/page.h Michael Ellerman 2005-11-11 25
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 26 #ifndef __ASSEMBLY__
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 27 #ifndef CONFIG_HUGETLB_PAGE
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 28 #define HPAGE_SHIFT PAGE_SHIFT
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 29 #elif defined(CONFIG_PPC_BOOK3S_64)
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 30 extern unsigned int hpage_shift;
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 31 #define HPAGE_SHIFT hpage_shift
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 32 #elif defined(CONFIG_PPC_8xx)
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 33 #define HPAGE_SHIFT 19 /* 512k pages */
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 34 #elif defined(CONFIG_PPC_FSL_BOOK3E)
c5710cd2073503 arch/powerpc/include/asm/page.h Christophe Leroy 2019-04-26 35 #define HPAGE_SHIFT 22 /* 4M pages */
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 36 #endif
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 37 #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 38 #define HPAGE_MASK (~(HPAGE_SIZE - 1))
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 @39 #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 40 #define HUGE_MAX_HSTATE (MMU_PAGE_COUNT-1)
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 41 #endif
41151e77a4d96e arch/powerpc/include/asm/page.h Becky Bruce 2011-06-28 42

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