Hi Li,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[also build test ERROR on next-20180713]
[cannot apply to v4.18-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Li-RongQing/net-convert-gro_count-to-bitmask/20180715-233722
config: i386-randconfig-s1-201828 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 
:::::: branch date: 15 hours ago
:::::: commit date: 15 hours ago

All errors (new ones prefixed by >>):

   In file included from arch/x86/include/asm/current.h:5:0,
                    from include/linux/sched.h:12,
                    from include/linux/uaccess.h:5,
                    from net/core/dev.c:75:
   net/core/dev.c: In function 'netdev_init':
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_9285' 
>> declared with attribute error: BUILD_BUG_ON failed: GRO_HASH_BUCKETS > 
>> FIELD_SIZEOF(struct napi_struct, gro_bitmask)
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:319:4: note: in definition of macro 
'__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:339:2: note: in expansion of macro 
'_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:69:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   net/core/dev.c:9284:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(GRO_HASH_BUCKETS >
     ^~~~~~~~~~~~
--
   In file included from arch/x86/include/asm/current.h:5:0,
                    from include/linux/sched.h:12,
                    from include/linux/uaccess.h:5,
                    from net//core/dev.c:75:
   net//core/dev.c: In function 'netdev_init':
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_9285' 
>> declared with attribute error: BUILD_BUG_ON failed: GRO_HASH_BUCKETS > 
>> FIELD_SIZEOF(struct napi_struct, gro_bitmask)
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:319:4: note: in definition of macro 
'__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:339:2: note: in expansion of macro 
'_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:69:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   net//core/dev.c:9284:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(GRO_HASH_BUCKETS >
     ^~~~~~~~~~~~

# 
https://github.com/0day-ci/linux/commit/b4ba3db381100e1869270a58dd2d9950ef0923de
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout b4ba3db381100e1869270a58dd2d9950ef0923de
vim +/__compiletime_assert_9285 +339 include/linux/compiler.h

9a8ab1c3 Daniel Santos 2013-02-21  325  
9a8ab1c3 Daniel Santos 2013-02-21  326  #define _compiletime_assert(condition, 
msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21  327          __compiletime_assert(condition, 
msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21  328  
9a8ab1c3 Daniel Santos 2013-02-21  329  /**
9a8ab1c3 Daniel Santos 2013-02-21  330   * compiletime_assert - break build and 
emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21  331   * @condition: a compile-time constant 
condition to check
9a8ab1c3 Daniel Santos 2013-02-21  332   * @msg:       a message to emit if 
condition is false
9a8ab1c3 Daniel Santos 2013-02-21  333   *
9a8ab1c3 Daniel Santos 2013-02-21  334   * In tradition of POSIX assert, this 
macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21  335   * supplied condition is *false*, 
emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21  336   * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21  337   */
9a8ab1c3 Daniel Santos 2013-02-21  338  #define compiletime_assert(condition, 
msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @339          _compiletime_assert(condition, 
msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21  340  

:::::: The code at line 339 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce 
compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.san...@pobox.com>
:::::: CC: Linus Torvalds <torva...@linux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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