[arm-integrator:kernel-in-vmalloc-v5.17-rc1 6/8] arch/arm/include/asm/memory.h:332:5: error: use of undeclared identifier 'KERNEL_PFN_OFFSET'

From: kernel test robot
Date: Fri Mar 11 2022 - 08:02:35 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.17-rc1
head: 66e9038ef48dc66c07b12443b73e2d1f3f12cbab
commit: 5976b9fa0b76bace6d7b038a7e1941175da8f5c5 [6/8] ARM: Compile the kernel into VMALLOC
config: arm-randconfig-r032-20220310 (https://download.01.org/0day-ci/archive/20220311/202203112027.GAmJRxFY-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=5976b9fa0b76bace6d7b038a7e1941175da8f5c5
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.17-rc1
git checkout 5976b9fa0b76bace6d7b038a7e1941175da8f5c5
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm prepare

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

All errors (new ones prefixed by >>):

In file included from arch/arm/kernel/asm-offsets.c:11:
In file included from include/linux/sched.h:12:
In file included from arch/arm/include/asm/current.h:50:
In file included from include/asm-generic/current.h:5:
In file included from include/linux/thread_info.h:60:
In file included from arch/arm/include/asm/thread_info.h:14:
In file included from arch/arm/include/asm/page.h:160:
>> arch/arm/include/asm/memory.h:332:5: error: use of undeclared identifier 'KERNEL_PFN_OFFSET'
KERNEL_PFN_OFFSET);
^
1 error generated.
make[2]: *** [scripts/Makefile.build:121: arch/arm/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1191: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.


vim +/KERNEL_PFN_OFFSET +332 arch/arm/include/asm/memory.h

322
323 static inline unsigned long virt_to_pfn(unsigned long kaddr)
324 {
325 if (!IS_ENABLED(CONFIG_ARM_KERNEL_IN_VMALLOC)) {
326 return (((kaddr - PAGE_OFFSET) >> PAGE_SHIFT) +
327 PHYS_PFN_OFFSET);
328 } else {
329 if ((kaddr >= KERNEL_OFFSET) &&
330 (kaddr < (KERNEL_OFFSET + KERNEL_SECTION_SIZE))) {
331 return (((kaddr - KERNEL_OFFSET) >> PAGE_SHIFT) +
> 332 KERNEL_PFN_OFFSET);
333 } else {
334 return (((kaddr - PAGE_OFFSET) >> PAGE_SHIFT) +
335 PHYS_PFN_OFFSET);
336 }
337 }
338 }
339

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