Hi Anshuman,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on v5.8-rc3]
[also build test WARNING on next-20200629]
[cannot apply to arm64/for-next/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Anshuman-Khandual/arm64-hugetlb-...
base: 9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68
config: arm64-defconfig (attached as .config)
compiler: aarch64-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> arch/arm64/mm/hugetlbpage.c:40:13: warning: no previous prototype
for 'arm64_hugetlb_cma_reserve' [-Wmissing-prototypes]
40 | void
__init arm64_hugetlb_cma_reserve(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
vim +/arm64_hugetlb_cma_reserve +40 arch/arm64/mm/hugetlbpage.c
21
22 /*
23 * HugeTLB Support Matrix
24 *
25 * ---------------------------------------------------
26 * | Page Size | CONT PTE | PMD | CONT PMD | PUD |
27 * ---------------------------------------------------
28 * | 4K | 64K | 2M | 32M | 1G |
29 * | 16K | 2M | 32M | 1G | |
30 * | 64K | 2M | 512M | 16G | |
31 * ---------------------------------------------------
32 */
33
34 /*
35 * Reserve CMA areas for the largest supported gigantic
36 * huge page when requested. Any other smaller gigantic
37 * huge pages could still be served from those areas.
38 */
39 #ifdef CONFIG_CMA
40 void __init arm64_hugetlb_cma_reserve(void)
41 {
42 int order;
43
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org