Re: [PATCH] mm: proc: add Sock to /proc/meminfo

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <20201010103854.66746-1-songmuchun@bytedance.com>
References: <20201010103854.66746-1-songmuchun@bytedance.com>
TO: Muchun Song <songmuchun@bytedance.com>
TO: gregkh(a)linuxfoundation.org
TO: rafael(a)kernel.org
TO: mst(a)redhat.com
TO: jasowang(a)redhat.com
TO: davem(a)davemloft.net
TO: kuba(a)kernel.org
TO: adobriyan(a)gmail.com
TO: akpm(a)linux-foundation.org
TO: edumazet(a)google.com
TO: kuznet(a)ms2.inr.ac.ru

Hi Muchun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on ipsec-next/master]
[also build test WARNING on ipsec/master linus/master hnaz-linux-mm/master v5.9-rc8]
[cannot apply to mmotm/master driver-core/driver-core-testing next-20201009]
[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/mm-proc-add-Sock-to-proc-meminfo/20201010-184040
base:   https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git master
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago
config: x86_64-randconfig-s022-20201010 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-229-g0c6896f4-dirty
        # https://github.com/0day-ci/linux/commit/9befda995cb116f94e34d4ffdc8d9dd37a91dc49
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Muchun-Song/mm-proc-add-Sock-to-proc-meminfo/20201010-184040
        git checkout 9befda995cb116f94e34d4ffdc8d9dd37a91dc49
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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


"sparse warnings: (new ones prefixed by >>)"
   security/keys/encrypted-keys/encrypted.c:52:9: sparse: sparse: preprocessor token HASH_SIZE redefined
   security/keys/encrypted-keys/encrypted.c: note: in included file (through include/linux/elevator.h, include/linux/blkdev.h, include/linux/blk-cgroup.h, ...):
>> include/linux/hashtable.h:27:9: sparse: this was the original definition

vim +27 include/linux/hashtable.h

d9b482c8ba1973 Sasha Levin  2012-10-30  15  
d9b482c8ba1973 Sasha Levin  2012-10-30  16  #define DEFINE_HASHTABLE(name, bits)						\
d9b482c8ba1973 Sasha Levin  2012-10-30  17  	struct hlist_head name[1 << (bits)] =					\
d9b482c8ba1973 Sasha Levin  2012-10-30  18  			{ [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT }
d9b482c8ba1973 Sasha Levin  2012-10-30  19  
6180d9de61a5c4 Eric Dumazet 2015-11-18  20  #define DEFINE_READ_MOSTLY_HASHTABLE(name, bits)				\
6180d9de61a5c4 Eric Dumazet 2015-11-18  21  	struct hlist_head name[1 << (bits)] __read_mostly =			\
6180d9de61a5c4 Eric Dumazet 2015-11-18  22  			{ [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT }
6180d9de61a5c4 Eric Dumazet 2015-11-18  23  
d9b482c8ba1973 Sasha Levin  2012-10-30  24  #define DECLARE_HASHTABLE(name, bits)                                   	\
d9b482c8ba1973 Sasha Levin  2012-10-30  25  	struct hlist_head name[1 << (bits)]
d9b482c8ba1973 Sasha Levin  2012-10-30  26  
d9b482c8ba1973 Sasha Levin  2012-10-30 @27  #define HASH_SIZE(name) (ARRAY_SIZE(name))
d9b482c8ba1973 Sasha Levin  2012-10-30  28  #define HASH_BITS(name) ilog2(HASH_SIZE(name))
d9b482c8ba1973 Sasha Levin  2012-10-30  29  

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

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