12:04 a.m.
Hi Ankur,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/master]
[also build test ERROR on linus/master next-20201013]
[cannot apply to tip/x86/core linux/master v5.9]
[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/Ankur-Arora/Use-uncached-writes-...
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
80f92ca9b86c71450f003d39956fca4327cc5586
config: arm64-randconfig-r001-20201014 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
e7fe3c6dfede8d5781bd000741c3dea7088307a4)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
#
https://github.com/0day-ci/linux/commit/6a1ec80588fc845c7ce6bd0e0e3635bf0...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Ankur-Arora/Use-uncached-writes-while-clearing-gigantic-pages/20201014-163720
git checkout 6a1ec80588fc845c7ce6bd0e0e3635bf07d9110d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:16:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:13:
In file included from include/linux/pagemap.h:11:
> include/linux/highmem.h:240:2: error: implicit declaration of
function 'clear_user_page_uncached' [-Werror,-Wimplicit-function-declaration]
clear_user_page_uncached(addr, vaddr, page);
^
include/linux/highmem.h:240:2: note: did you mean
'clear_user_highpage_uncached'?
include/linux/highmem.h:236:20: note: 'clear_user_highpage_uncached' declared
here
static inline void clear_user_highpage_uncached(struct page *page, unsigned long
vaddr)
^
1 error generated.
make[2]: *** [scripts/Makefile.build:117: arch/arm64/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1198: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/clear_user_page_uncached +240 include/linux/highmem.h
234
235 #ifndef clear_user_highpage_uncached
236 static inline void clear_user_highpage_uncached(struct page *page, unsigned long
vaddr)
237 {
238 void *addr = kmap_atomic(page);
239
240 clear_user_page_uncached(addr, vaddr, page);
241 kunmap_atomic(addr);
242 }
243 #endif
244
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org