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Subject[rcu:willy-maple 133/202] include/linux/mm.h:2595:6: warning: no previous prototype for 'mm_populate_vma'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git willy-maple
head: 7e346d2845b4bd77663394f39fa70456e0084c86
commit: a24cca48d48f4f7610e13acc71494dd7da48e37c [133/202] mm/gup: Add mm_populate_vma() for use when the vma is known
config: sh-allmodconfig (attached as .config)
compiler: sh4-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://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=a24cca48d48f4f7610e13acc71494dd7da48e37c
git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
git fetch --no-tags rcu willy-maple
git checkout a24cca48d48f4f7610e13acc71494dd7da48e37c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh

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

All warnings (new ones prefixed by >>):

In file included from include/linux/mm_types.h:11,
from include/linux/mmzone.h:21,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from arch/sh/kernel/asm-offsets.c:14:
include/linux/maple_tree.h:79:22: error: 'MAPLE_RANGE64_SLOTS' undeclared here (not in a function)
79 | unsigned long pivot[MAPLE_RANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~
include/linux/maple_tree.h:85:22: error: 'MAPLE_ARANGE64_SLOTS' undeclared here (not in a function)
85 | unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~~
include/linux/maple_tree.h:91:28: error: 'MAPLE_NODE_SLOTS' undeclared here (not in a function); did you mean 'MAPLE_ALLOC_SLOTS'?
91 | #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1)
| ^~~~~~~~~~~~~~~~
include/linux/maple_tree.h:96:27: note: in expansion of macro 'MAPLE_ALLOC_SLOTS'
96 | struct maple_alloc *slot[MAPLE_ALLOC_SLOTS];
| ^~~~~~~~~~~~~~~~~
In file included from arch/sh/kernel/asm-offsets.c:14:
>> include/linux/mm.h:2595:6: warning: no previous prototype for 'mm_populate_vma' [-Wmissing-prototypes]
2595 | void mm_populate_vma(struct vm_area_struct *vma, unsigned long start,
| ^~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/sh/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1206: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
Selected by
- SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
- SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC


vim +/mm_populate_vma +2595 include/linux/mm.h

2582
2583 #ifdef CONFIG_MMU
2584 extern int __mm_populate(unsigned long addr, unsigned long len,
2585 int ignore_errors);
2586 static inline void mm_populate(unsigned long addr, unsigned long len)
2587 {
2588 /* Ignore errors */
2589 (void) __mm_populate(addr, len, 1);
2590 }
2591 extern void mm_populate_vma(struct vm_area_struct *vma, unsigned long start,
2592 unsigned long end);
2593 #else
2594 static inline void mm_populate(unsigned long addr, unsigned long len) {}
> 2595 void mm_populate_vma(struct vm_area_struct *vma, unsigned long start,
2596 unsigned long end) {}
2597 #endif
2598

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