Re: [PATCH v3] dma-buf: Add DmaBufTotal counter in meminfo

kernel test robot
2021-04-16T20:11:10Z

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Hi Peter,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.12-rc7 next-20210416]
[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/Peter-Enderborg/dma-buf-Add-DmaBufTotal-counter-in-meminfo/20210417-001040
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5e46d1b78a03d52306f21f77a4e4a144b6d31486
config: m68k-randconfig-p002-20210416 (attached as .config)
compiler: m68k-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/e8eb2093e4218ac48426a9e06dc0153577f088fd
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Peter-Enderborg/dma-buf-Add-DmaBufTotal-counter-in-meminfo/20210417-001040
git checkout e8eb2093e4218ac48426a9e06dc0153577f088fd
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=m68k

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 >>):

>> drivers/dma-buf/dma-buf.c:1356: warning: expecting prototype for dma_buf_get_size(). Prototype was for dma_buf_allocated_pages() instead

vim +1356 drivers/dma-buf/dma-buf.c

1351
1352 /**
1353 * dma_buf_get_size - Return the used nr pages by dma-buf
1354 */
1355 long dma_buf_allocated_pages(void)
> 1356 {
1357 return atomic_long_read(&dma_buf_global_allocated) >> PAGE_SHIFT;
1358 }
1359 EXPORT_SYMBOL_GPL(dma_buf_allocated_pages);
1360

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

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