[PATCH v3 1/3] riscv: Move kernel mapping to vmalloc zone

[kbuild test robot]

Hi Alexandre,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on powerpc/next]
[also build test WARNING on linus/master v5.7-rc7 next-20200526]
[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/Alexandre-Ghiti/vmalloc-kernel-mapping-and-relocatable-kernel/20200524-170109
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-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=riscv 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> arch/riscv/mm/init.c:383:6: warning: no previous prototype for 'create_kernel_page_table' [-Wmissing-prototypes]
383 | void create_kernel_page_table(pgd_t *pgdir, uintptr_t map_size)
|      ^~~~~~~~~~~~~~~~~~~~~~~~

vim +/create_kernel_page_table +383 arch/riscv/mm/init.c

   382	
 > 383	void create_kernel_page_table(pgd_t *pgdir, uintptr_t map_size)
   384	{
   385		uintptr_t va, end_va;
   386	
   387		end_va = kernel_virt_addr + load_sz;
   388		for (va = kernel_virt_addr; va < end_va; va += map_size)
   389			create_pgd_mapping(pgdir, va,
   390					   load_pa + (va - kernel_virt_addr),
   391					   map_size, PAGE_KERNEL_EXEC);
   392	}
   393	

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