tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b32a887db4e5c4c061e61977efabbc1d5e867aa7 commit: 13e5c52d7cec7621f78bce452b78785e689ed0b2 [26811/30000] cgroup_writeback: bind blkcg and memcg config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240828/202408280725.RGVxlJvi-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240828/202408280725.RGVxlJvi-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202408280725.RGVxlJvi-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from kernel/sysctl.c:54: In file included from include/linux/nfs_fs.h:31: In file included from include/linux/sunrpc/auth.h:13: In file included from include/linux/sunrpc/sched.h:19: include/linux/sunrpc/xdr.h:606:10: warning: result of comparison of constant 4611686018427387903 with expression of type '__u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 606 | if (len > SIZE_MAX / sizeof(*p)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sysctl.c:54: In file included from include/linux/nfs_fs.h:39: In file included from include/linux/nfs_fs_sb.h:6:

...

include/linux/backing-dev.h:418:49: warning: declaration of 'struct cgroup_subsys' will not be visible outside of this function [-Wvisibility]

418 | static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss, | ^ 2 warnings generated.

vim +418 include/linux/backing-dev.h

417

418 static inline void bind_memcg_blkcg_link(struct cgroup_subsys *ss,

419 struct css_set *cset) 420 { 421 } 422