Hi Minchan,
I love your patch! Perhaps something to improve:
[auto build test WARNING on m68k/for-next]
[also build test WARNING on powerpc/next s390/features linus/master v5.6-rc2
next-20200220]
[cannot apply to arm64/for-next/core tip/x86/asm arm/for-next hp-parisc/for-next]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see
https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Minchan-Kim/introduce-memory-hin...
base:
https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git for-next
config: nds32-randconfig-a001-20200220 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.2.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=nds32
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from arch/nds32/kernel/vdso/sigreturn.S:6:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
--
In file included from arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from <stdin>:2:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
> <stdin>:1520:2: warning: #warning syscall process_madvise
not implemented [-Wcpp]
--
In file included from arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from <stdin>:2:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
> <stdin>:1520:2: warning: #warning syscall process_madvise
not implemented [-Wcpp]
16 real 2 user 4 sys 39.01% cpu make modules_prepare
--
In file included from arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from <stdin>:2:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
> <stdin>:1520:2: warning: #warning syscall process_madvise
not implemented [-Wcpp]
In file included from
arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from arch/nds32/kernel/vdso/sigreturn.S:6:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
In file included from arch/nds32/include/uapi/asm/unistd.h:10,
from arch/nds32/include/asm/unistd.h:6,
from arch/nds32/kernel/vdso/gettimeofday.c:11:
> include/uapi/asm-generic/unistd.h:858: warning:
"__NR_pidfd_getfd" redefined
858 | #define __NR_pidfd_getfd 439
|
include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous
definition
856 | #define __NR_pidfd_getfd 438
|
17 real 4 user 6 sys 59.28% cpu make prepare
vim +/__NR_pidfd_getfd +858 include/uapi/asm-generic/unistd.h
853
854 #define __NR_openat2 437
855 __SYSCALL(__NR_openat2, sys_openat2)
856 #define __NR_pidfd_getfd 438
857 __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
858 #define __NR_pidfd_getfd 439
859 __SYSCALL(__NR_process_madvise, sys_process_madvise)
860
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org