Re: [PATCH v1 01/12] mm: memcontrol: prepare objcg API for non-kmem usage

From: kernel test robot
Date: Sat Aug 14 2021 - 18:23:43 EST


Hi Muchun,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20210813]
[also build test ERROR on v5.14-rc5]
[cannot apply to hnaz-linux-mm/master cgroup/for-next linus/master v5.14-rc5 v5.14-rc4 v5.14-rc3]
[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/Muchun-Song/Use-obj_cgroup-APIs-to-charge-the-LRU-pages/20210814-132844
base: 4b358aabb93a2c654cd1dcab1a25a589f6e2b153
config: x86_64-randconfig-a004-20210815 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
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/8a7c5ff0c21bed8ed69322118d0a01388ee8a6fd
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Muchun-Song/Use-obj_cgroup-APIs-to-charge-the-LRU-pages/20210814-132844
git checkout 8a7c5ff0c21bed8ed69322118d0a01388ee8a6fd
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> mm/memcontrol.c:266:6: error: redefinition of 'mem_cgroup_kmem_disabled'
bool mem_cgroup_kmem_disabled(void)
^
include/linux/memcontrol.h:1728:20: note: previous definition is here
static inline bool mem_cgroup_kmem_disabled(void)
^
1 error generated.


vim +/mem_cgroup_kmem_disabled +266 mm/memcontrol.c

bf4f059954dcb2 Roman Gushchin 2020-08-06 265
4d5c8aedc8aa6a Roman Gushchin 2021-06-02 @266 bool mem_cgroup_kmem_disabled(void)
4d5c8aedc8aa6a Roman Gushchin 2021-06-02 267 {
4d5c8aedc8aa6a Roman Gushchin 2021-06-02 268 return cgroup_memory_nokmem;
4d5c8aedc8aa6a Roman Gushchin 2021-06-02 269 }
4d5c8aedc8aa6a Roman Gushchin 2021-06-02 270

---
0-DAY CI Kernel Test Service, Intel Corporation
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