Re: [PATCH] mm, slab: Use kmem_cache_zalloc() instead of kmem_cache_alloc() with flag GFP_ZERO.

kernel test robot
2020-06-17T23:52:19Z

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Hi Yi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mmotm/master]

url: https://github.com/0day-ci/linux/commits/Yi-Wang/mm-slab-Use-kmem_cache_zalloc-instead-of-kmem_cache_alloc-with-flag-GFP_ZERO/20200617-151513
base: git://git.cmpxchg.org/linux-mmotm.git master
config: x86_64-rhel-7.6 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

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

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

>> drivers/mtd/ubi/attach.o: warning: objtool: ubi_add_to_av()+0x1c4: unreachable instruction
--
>> mm/slab_common.o: warning: objtool: create_kmalloc_caches()+0x44: unreachable instruction
--
>> fs/btrfs/free-space-cache.o: warning: objtool: btrfs_trim_block_group()+0x201: unreachable instruction
--
>> drivers/acpi/acpica/psutils.o: warning: objtool: acpi_ps_create_scope_op()+0x12: unreachable instruction
--
>> fs/fuse/dev.o: warning: objtool: fuse_force_forget()+0x42: unreachable instruction

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

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